Abstract

The emerging techniques of molecular spectroscopy by high order harmonic generation have hitherto been conducted only with Ti:Sapphire lasers which are restricted to molecules with high ionization potentials. In order to gain information on the molecular structure, a broad enough range of harmonics is required. This implies using high laser intensities which would saturate the ionization of most molecular systems of interest, e.g. organic molecules. Using a laser at 1300 nm, we are able to extend the technique to molecules with relatively low ionization potentials (~11 eV), observing wide harmonic spectra reaching up to 60 eV. This energy range improves spatial resolution of the high harmonic spectroscopy to the point where interference minima in harmonic spectra of N2O and C2H2 can be observed.

©2010 Optical Society of America

1. Introduction

High harmonic generation (HHG) from molecules is currently being investigated as a means to track molecular dynamics with sub-femtosecond time resolution [110], including rearrangement of nuclei [6,7] and electrons [9,10]. These techniques rely upon measuring the broad spectrum of coherent radiation emitted by molecules aligned in space, when interacting with intense laser fields.

The key picture for understanding high harmonic generation is the three-step model consisting of: (i) tunnel ionization of a molecule, (ii) acceleration of the electron in the laser field, and (iii) recombination of the high energy electrons with the parent ion [11]. Recent theoretical [1,12] and experimental works [3,4,13,14] have established that high harmonic spectra from spatially aligned molecules encode the structure and symmetries of molecular orbitals. One of the key steps in observing these structures is controlling the angle between the molecular axes and the polarization of the driving laser field which determines the motion of the recolliding electrons. This can be achieved by non-adiabatic molecular alignment by a preceding laser pulse [15]. The use of the non-adiabatic alignment technique allows probing a sample of aligned molecules in the absence of an electromagnetic field. Then, the well-defined mapping of the time-delay between ionization and recombination onto the energy of the emitted harmonic allows the extraction of dynamical information on ultrafast structural rearrangements with ~100 attoseconds temporal resolution [610].

The spatial resolution of the HHG spectroscopic methods is set by the de Broglie wavelength of the recolliding electrons. Therefore, a harmonic spectrum reaching significantly more than 50 eV is required in order to record structural features arising from typical internuclear distances (in the 1 – 2 Å range). Using a standard 800 nm Ti:Sapphire laser, such harmonic spectra demand laser intensities larger than ~3 × 1014 W/cm2, well above the ionization saturation intensity of most molecules. Therefore, the availability of experimental data has been limited to a few molecular systems with relatively high ionization potentials (≥13 eV), typically N2 and CO2. This requirement also limits the capabilities of intensity-dependent studies, as the full structural contribution to the harmonic spectrum cannot be probed at the lower intensities [9,16]. More recently, the investigation of HHG in aligned molecules has been extended to organic polyatomic molecules using ~10 fs duration laser pulses: acetylene (C2H2), ethylene (C2H4) and allene (C3H4) [17,18]. However, the range of harmonics obtained from these molecules was very limited, with maximum photon energies of ~46 eV in C2H2 due to low saturation intensity ~1.5 × 1014 W/cm2. Thus, a conventional 800 nm driving laser is not suitable to obtain comprehensive structural information and quantify possible effects of electron correlation and multi-electron dynamics encoded in HHG for most molecules.

The maximum photon energy in the harmonic spectrum follows the so-called cut-off law: EMAX = IP + 3.17UP, where IP is the ionization potential of the molecule and UP is the ponderomotive energy given by: UP = e/m e(E0λ/4πc)2 (e and m e are the charge and mass of the electron respectively, c is the speed of light, E0 is the electric field amplitude and λ is the laser wavelength). Therefore, by increasing the fundamental laser wavelength we can extend the harmonic cut-off to higher photon energies whilst keeping the laser intensity below the saturation intensity. This is the approach we have adopted to extend the technique of HHG spectroscopy. However, a consequence of increasing the wavelength is that the laser cycle and hence the time the electron spends in the continuum between ionization and recombination increases in proportion to λ. As the electron spends more time in the continuum, the electronic wavepacket spreads more in the transverse direction, reducing the probability of recollision [19]. The harmonic signal scales with the laser wavelength as λ−5 or λ−6 [2022], hence, a balance between extending the cut-off and losing harmonic efficiency must be struck.

We found in our experiments that a wavelength of 1300 nm offers a good compromise between a significant cut-off extension and adequate HHG generation efficiency. At this wavelength the maximum photon energy of the harmonic spectrum for a given laser intensity is increased by a factor of 2.6 relative to 800 nm.

2. Experimental setup

An illustration of the experimental setup is shown in Fig. 1 . We used a 1 kHz Ti:Sapphire CPA laser system at 800 nm to pump an optical parametric amplifier delivering 1 mJ pulses of 40 fs at 1300 nm for high harmonic generation. Additional synchronized pulses of 1 mJ and 80 fs from the 800 nm pump were employed for non-adiabatic molecular alignment. The 800 nm beam was sent through a motorized delay stage in order to control the delay between the aligning and harmonic driving pulses, and their relative polarization angle Θ was controlled by means of a half-wave plate. The two beams were recombined by a normal incidence dichroic mirror and sent collinearly into a vacuum chamber where they were focused onto a continuous flow gas jet by a 30 cm focal length lens. The gas jet was produced by expanding the gas with a backing pressure of 2 bar through a 100 μm diameter nozzle into the chamber. The gas temperature at the interaction region was estimated as ~90 K, sufficiently cold to obtain a significant degree of molecular alignment. A telescope in the 1300 nm beam was used to compensate the chromatic aberration of the focusing lens. The intensities at the interaction region were typically 1014 W/cm2 for the 1300 nm and 5 × 1013 W/cm2 for the 800 nm. The latter was set in order to optimize the degree of alignment without generating any harmonics in the monitored region. The harmonics were spectrally resolved in a flat-field XUV spectrometer and focused onto a microchannel plate detector coupled with a phosphor screen. The images of the harmonic spectra were acquired with a CCD camera and transferred to a computer. Each spectrum was averaged over 104 laser shots typically.

 figure: Fig. 1

Fig. 1 Experimental layout for high harmonic generation in aligned molecules.

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3. Results and discussion

We examined several molecules: nitrogen (N2), carbon dioxide (CO2), acetylene (C2H2), and nitrous oxide (N2O), covering a variety of ionization potentials and electronic structures (see Table 1 ). The highest occupied molecular orbitals (HOMO) which characterize the dominant features of the HHG spectra are illustrated in Fig. 2 for all of the molecules investigated. These were calculated by DFT using GAMESS-UK with the 3-21G basis set. Figure 3 shows a series of harmonic spectra obtained from each molecule with 1300 nm, 40 fs pulses and intensities in the range (1.0 - 1.7) × 1014 W/cm2 (see details in the caption). Photon energies up to 60 eV were detected in the spectra of N2O and C2H2, whereas in N2 and CO2 the maximum harmonic detected exceeded 80 eV at the highest intensities used. Also plotted in Fig. 3 are harmonic spectra of N2, CO2, and C2H2 previously recorded with 800 nm at higher intensities (1.8 - 2.1) × 1014 W/cm2 [17,18]. The spectra acquired with 800 nm pulses have significantly lower cut-off energies. The most significant case is that of C2H2, where the spectrum obtained at the ionization saturation intensity with 800 nm pulses has a cut-off at ~46 eV and the spectral plateau does not extend beyond ~40 eV, missing the region of interest for observation of interference features. In contrast, the spectrum obtained using the 1300 nm source reaches up to 60 eV with a laser intensity of only 1014 W/cm2.

Tables Icon

Table 1. Relevant parameters for the molecules investigated in this study.

 figure: Fig. 2

Fig. 2 Highest occupied molecular orbital (HOMO) of the molecules investigated, calculated by DFT using GAMESS-UK with the 3-21G basis set.

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 figure: Fig. 3

Fig. 3 (Black) Harmonic spectra obtained from different unaligned molecular systems with 1300 nm, 40 fs pulses. N2: 1.7 × 1014 W/cm2; CO2: 1.4 × 1014 W/cm2; C2H2: 1.0 × 1014 W/cm2; N2O: 1.0 × 1014 W/cm2. (Red) Harmonic spectra obtained with 800 nm. N2: 2.1 × 1014 W/cm2; CO2: 2.1 × 1014 W/cm2; C2H2: 1.8 × 1014 W/cm2. The harmonic intensity has been offset for clarity.

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Molecular axis alignment is known to influence the intensity of the harmonics in a way which is characteristic of the instantaneous structure of the molecule [2,3,13,14]. The effect of non-adiabatic impulsive alignment in the molecular sample was observed as a modulation in the harmonic signal as a function of the delay between the harmonic generating (driving) pulse and the aligning pulse. These modulations correspond to revivals of the aligned state of the molecules occurring at times multiple of Trot (full revivals) and Trot/2 (half revivals), where Trot is the fundamental rotational period of the molecule [15]. The delay between the driving and aligning pulses was set to correspond with a half revival at the time when the sample is maximally aligned around the aligning field. The degree of alignment, estimated by solving the time-dependent Schrödinger equation in the experimental conditions [23] was 〈cos2θ〉 = 0.66 for N2, 〈cos2θ〉 = 0.62 for CO2, 〈cos2θ〉 = 0.72 for C2H2, and 〈cos2θ〉 = 0.67 for N2O, where θ is the angle between the molecular axis and the aligning field. Then, a half-wave plate was used to vary the angle Θ between the polarizations of the driving and aligning fields, allowing us to measure the harmonic signal as a function of the alignment of the molecular ensemble relative to the driving field polarization. Accounting for the actual alignment distributions [23] we can estimate the most probable orientation angle of the molecules with respect to the driving field, 〈θ〉. For Θ = 0° and typical aligning conditions 〈θ〉 is ~30°.

The harmonic intensity was measured as a function of the angle between the driving and aligning field polarizations for aligned samples of N2, CO2, C2H2, and N2O (see Fig. 4 ). The signals recorded from the aligned ensembles are normalized against the unaligned ones. We can clearly observe that for Θ = 0° a minimum in the normalized HHG spectrum is observed for CO2, C2H2, and N2O. Whilst this is a familiar result in CO2 [3,4,9] and has very recently been recorded in N2O [24] this is the first time, to our knowledge, that harmonic spectra with this feature have been observed in N2O and C2H2.

 figure: Fig. 4

Fig. 4 Ratio of harmonic signal between aligned and unaligned samples of N2, CO2, C2H2, and N2O as a function of photon energy (harmonic order) and polarization angle Θ of the aligning pulse for a driving laser pulse at 1300 nm. The laser intensities are N2: 1.3 × 1014 W/cm2; CO2: 1.0 × 1014 W/cm2; C2H2: 1.1 × 1014 W/cm2; N2O: 1.0 × 1014 W/cm2. The red arrows mark the position of the interference minima. Notice the reversed angle scale in the N2 plot.

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In order to qualitatively interpret these new results we take the following simplified approach: The highest occupied molecular orbital in these molecules is expected to have a characteristic two-centre structure; contributions to the recombination amplitude from the two centers can interfere constructively or destructively [1] if the returning electrons have a momentum (p = hdeB) corresponding to a de Broglie wavelength that satisfies the condition

n2λdeB=Rcosθ,
where n is an integer, R is the internuclear distance and θ is the angle between the internuclear axis and the laser polarization vector. For a symmetric orbital (such as the πu HOMO of C2H2) the first destructive interference occurs when n = 1, i.e. when the two centers are separated by half a de Broglie wavelength in the direction of electron propagation (driving laser polarization). For the anti-symmetric πg HOMO of CO2 the first destructive interference is expected when the two centers are one de Broglie wavelength apart (n = 2). Note that the HOMO of N2O does not strictly have a πg symmetry, but this will be assumed for the purpose of the present simplified analysis as the πg form captures the salient features of orbital geometry and symmetry relevant to the structural interferences in N2O.

In both N2O and CO2, with a similar internuclear separation, the observed dip in the harmonic spectrum for Θ = 0° is centered around 55 eV. Given that θ = 30° is the most probable angle between the driving field and the molecular axis in this case, our data are compatible with destructive structural interference, expected around 52 eV.

The molecule of acetylene has a shorter internuclear distance than CO2 and N2O, however, it has a symmetric HOMO (as opposed to the anti-symmetric HOMO of CO2 and N2O). Therefore, the first destructive interference is expected at smaller photon energies (46 eV), in agreement with the measurement. This is the first time that evidence of interference has been reported in C2H2 as in earlier measurements made at 800 nm [17,18], the harmonic spectrum could not be extended beyond 40 eV, preventing the observation of the minimum.

In contrast, the spectrum of aligned N2 obtained at Θ = 0° does not show any evidence of two-center interference. This result has been predicted in theoretical calculations and is due to the mixed symmetry of its HOMO [25,26]. The dependence of the harmonic intensity on the alignment angle of N2 follows the angular dependence of its ionization yield, with a maximum at Θ = 0° and a minimum at Θ = 90° for all harmonic orders [3].

It must be pointed out that Eq. (1) is derived in the frame of a single active electron in the strong field approximation, that is, considering the recolliding electron wavefunction as a superposition of plane waves. In more accurate calculations, using the strong-field eikonal-Volkov approximation [27], including electron exchange correlation and taking into account the angle dependent ionization probability, the interference minimum in CO2 shifts to 60 eV [28], still within the range of our observed minima. Moreover, we have recently found that the minimum detected in CO2 is the result of an interplay between the structural minimum [defined by Eq. (1)] and a dynamical minimum arising from interference between different ionization channels [16]. In fact, it is the suppressed contribution of the HOMO to the overall HHG signal due to the structural interference that increases the relative amplitude of additional ionization channels (lower lying orbitals, in the Hartree-Fock picture) giving rise to dynamical interferences. This interplay explains an observed oscillation of the position of the minimum in the harmonic spectrum of CO2 around 55 eV as the laser intensity is varied [16]. It is indeed possible that the structural minima found in N2O and C2H2 would also give access to the dynamics of ionization from lower lying orbitals. A systematic study of the HHG spectrum from N2O and C2H2 with different laser intensities will elucidate the effect of dynamical interferences in these molecules.

4. Conclusion

Observation of spectral features characteristic of the molecular structure and dynamics is precluded by the onset of saturation effects that limit the range of harmonics that can be observed with a standard 800 nm Ti:Sapphire laser system. This has been overcome in the case of acetylene (C2H2) by using a 1300 nm driving field, which has enabled the study of a critical part of its harmonic spectrum for the first time. These results illustrate the power of using long wavelengths (in the 1000 nm – 1500 nm range) for HHG of molecules with relatively small ionization potentials. Many molecules of interest, e.g. organic molecules, have ionization potentials in the range 10-12 eV, therefore the proposed method makes these molecules accessible to HHG spectroscopy. Extending the driving field to even longer wavelengths is perfectly feasible and may allow HHG spectroscopy of molecules with still lower ionization potential. In this case the signal level will be reduced due to the wavelength scaling of efficiency and that may require longer data acquisition times and increased repetition rates to achieve the measurement.

Acknowledgements

The experiments were carried out at the Central Laser Facility (CLF) of the Rutherford Appleton Laboratory (UK). We thank Brian Landowski and the CLF staff, for the technical support and advice provided throughout the experiment. This work has been supported by STFC and EPSRC grant numbers EP/C530764/1, EP/E028063/1, and EP/C530756/2.

References and links

1. M. Lein, N. Hay, R. Velotta, J. P. Marangos, and P. L. Knight, “Role of the intramolecular phase in high-harmonic generation,” Phys. Rev. Lett. 88(18), 183903 (2002). [CrossRef]   [PubMed]  

2. J. Itatani, J. Levesque, D. Zeidler, H. Niikura, H. Pépin, J. C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Tomographic imaging of molecular orbitals,” Nature 432(7019), 867–871 (2004). [CrossRef]   [PubMed]  

3. T. Kanai, S. Minemoto, and H. Sakai, “Quantum interference during high-order harmonic generation from aligned molecules,” Nature 435(7041), 470–474 (2005). [CrossRef]   [PubMed]  

4. C. Vozzi, F. Calegari, E. Benedetti, J.-P. Caumes, G. Sansone, S. Stagira, M. Nisoli, R. Torres, E. Heesel, N. Kajumba, J. P. Marangos, C. Altucci, and R. Velotta, “Controlling two-center interference in molecular high harmonic generation,” Phys. Rev. Lett. 95(15), 153902 (2005). [CrossRef]   [PubMed]  

5. J. P. Marangos, S. Baker, N. Kajumba, J. S. Robinson, J. W. G. Tisch, and R. Torres, “Dynamic imaging of molecules using high order harmonic generation,” Phys. Chem. Chem. Phys. 10(1), 35–48 (2007). [CrossRef]   [PubMed]  

6. S. Baker, J. S. Robinson, C. A. Haworth, H. Teng, R. A. Smith, C. C. Chirilă, M. Lein, J. W. G. Tisch, and J. P. Marangos, “Probing proton dynamics in molecules on an attosecond time scale,” Science 312(5772), 424–427 (2006). [CrossRef]   [PubMed]  

7. S. Baker, J. S. Robinson, M. Lein, C. C. Chirilă, R. Torres, H. C. Bandulet, D. Comtois, J. C. Kieffer, D. M. Villeneuve, J. W. G. Tisch, and J. P. Marangos, “Dynamic two-center interference in high-order harmonic generation from molecules with attosecond nuclear motion,” Phys. Rev. Lett. 101(5), 053901 (2008). [CrossRef]   [PubMed]  

8. W. Li, X. Zhou, R. Lock, S. Patchkovskii, A. Stolow, H. C. Kapteyn, and M. M. Murnane, “Time-resolved dynamics in N2O4 probed using high harmonic generation,” Science 322(5905), 1207–1211 (2008). [CrossRef]   [PubMed]  

9. O. Smirnova, Y. Mairesse, S. Patchkovskii, N. Dudovich, D. Villeneuve, P. Corkum, and M. Yu. Ivanov, “High harmonic interferometry of multi-electron dynamics in molecules,” Nature 460(7258), 972–977 (2009). [CrossRef]   [PubMed]  

10. O. Smirnova, S. Patchkovskii, Y. Mairesse, N. Dudovich, and M. Yu. Ivanov, “Strong-field control and spectroscopy of attosecond electron-hole dynamics in molecules,” Proc. Natl. Acad. Sci. U.S.A. 106(39), 16556–16561 (2009). [CrossRef]   [PubMed]  

11. P. B. Corkum, “Plasma perspective on strong field multiphoton ionization,” Phys. Rev. Lett. 71(13), 1994–1997 (1993). [CrossRef]   [PubMed]  

12. X. Zhou, X. Tong, Z. Zhao, and C. Lin, “Role of molecular orbital symmetry on the alignment dependence of high-order harmonic generation with molecules,” Phys. Rev. A 71(6), 061801 (2005). [CrossRef]  

13. R. Nalda, E. Heesel, M. Lein, N. Hay, R. Velotta, E. Springate, M. Castillejo, and J. Marangos, “Role of orbital symmetry in high-order harmonic generation from aligned molecules,” Phys. Rev. A 69(3), 031804 (2004). [CrossRef]  

14. B. Shan, S. Ghimire, and Z. Chang, “Effect of orbital symmetry on high-order harmonic generation from molecules,” Phys. Rev. A 69(2), 021404 (2004). [CrossRef]  

15. H. Stapelfeldt and T. Seideman, “Colloquium: Aligning molecules with strong laser pulses,” Rev. Mod. Phys. 75(2), 543–557 (2003). [CrossRef]  

16. R. Torres, T. Siegel, L. Brugnera, I. Procino, J. G. Underwood, C. Altucci, R. Velotta, E. Springate, C. Froud, I. C. E. Turcu, S. Patchkovskii, M. Yu. Ivanov, O. Smirnova, and J. P. Marangos, “Revealing molecular structure and dynamics through high harmonic generation driven by mid-IR fields,” (in preparation).

17. R. Torres, N. Kajumba, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. de Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. C. E. Turcu, and J. P. Marangos, “Probing orbital structure of polyatomic molecules by high-order harmonic generation,” Phys. Rev. Lett. 98(20), 203007 (2007). [CrossRef]   [PubMed]  

18. N. Kajumba, R. Torres, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. Procino, I. C. E. Turcu, and J. P. Marangos, “Measurement of electronic structure from high harmonic generation in non-adiabatically aligned polyatomic molecules,” N. J. Phys. 10(2), 025008 (2008). [CrossRef]  

19. M. Lewenstein, P. Balcou, M. Ivanov, A. L’Huillier, and P. Corkum, “Theory of high-harmonic generation by low-frequency laser fields,” Phys. Rev. A 49(3), 2117–2132 (1994). [CrossRef]   [PubMed]  

20. B. Shan and Z. Chang, “Dramatic extension of the high-order harmonic cutoff by using a long-wavelength driving field,” Phys. Rev. A 65(1), 011804 (2001). [CrossRef]  

21. J. Tate, T. Auguste, H. G. Muller, P. Salières, P. Agostini, and L. F. DiMauro, “Scaling of wave-packet dynamics in an intense midinfrared field,” Phys. Rev. Lett. 98(1), 013901 (2007). [CrossRef]   [PubMed]  

22. A. D. Shiner, C. Trallero-Herrero, N. Kajumba, H.-C. Bandulet, D. Comtois, F. Légaré, M. Giguère, J.-C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Wavelength scaling of high harmonic generation efficiency,” Phys. Rev. Lett. 103(7), 073902 (2009). [CrossRef]   [PubMed]  

23. R. Torres, R. de Nalda, and J. Marangos, “Dynamics of laser-induced molecular alignment in the impulsive and adiabatic regimes: A direct comparison,” Phys. Rev. A 72(2), 023420 (2005). [CrossRef]  

24. R. M. Lock, X. Zhou, W. Li, M. M. Murnane, and H. C. Kapteyn, “Measuring the intensity and phase of high-order harmonic emission from aligned molecules,” Chem. Phys. 366(1-3), 22–32 (2009). [CrossRef]  

25. B. Zimmermann, M. Lein, and J. M. Rost, “Analysis of recombination in high-order harmonic generation in molecules,” Phys. Rev. A 71(3), 033401 (2005). [CrossRef]  

26. M. Gühr, B. K. McFarland, J. P. Farrell, and P. H. Bucksbaum, “High harmonic generation for N2 and CO2 beyond the two-point model,” J. Phys. At. Mol. Opt. Phys. 40(18), 3745–3755 (2007). [CrossRef]  

27. O. Smirnova, M. Spanner, and M. Ivanov, “Analytical solutions for strong field-driven atomic and molecular one- and two-electron continua and applications to strong-field problems,” Phys. Rev. A 77(3), 033407 (2008). [CrossRef]  

28. O. Smirnova, S. Patchkovskii, Y. Mairesse, N. Dudovich, D. Villeneuve, P. Corkum, and M. Yu. Ivanov, “Attosecond circular dichroism spectroscopy of polyatomic molecules,” Phys. Rev. Lett. 102(6), 063601 (2009). [CrossRef]   [PubMed]  

References

  • View by:

  1. M. Lein, N. Hay, R. Velotta, J. P. Marangos, and P. L. Knight, “Role of the intramolecular phase in high-harmonic generation,” Phys. Rev. Lett. 88(18), 183903 (2002).
    [Crossref] [PubMed]
  2. J. Itatani, J. Levesque, D. Zeidler, H. Niikura, H. Pépin, J. C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Tomographic imaging of molecular orbitals,” Nature 432(7019), 867–871 (2004).
    [Crossref] [PubMed]
  3. T. Kanai, S. Minemoto, and H. Sakai, “Quantum interference during high-order harmonic generation from aligned molecules,” Nature 435(7041), 470–474 (2005).
    [Crossref] [PubMed]
  4. C. Vozzi, F. Calegari, E. Benedetti, J.-P. Caumes, G. Sansone, S. Stagira, M. Nisoli, R. Torres, E. Heesel, N. Kajumba, J. P. Marangos, C. Altucci, and R. Velotta, “Controlling two-center interference in molecular high harmonic generation,” Phys. Rev. Lett. 95(15), 153902 (2005).
    [Crossref] [PubMed]
  5. J. P. Marangos, S. Baker, N. Kajumba, J. S. Robinson, J. W. G. Tisch, and R. Torres, “Dynamic imaging of molecules using high order harmonic generation,” Phys. Chem. Chem. Phys. 10(1), 35–48 (2007).
    [Crossref] [PubMed]
  6. S. Baker, J. S. Robinson, C. A. Haworth, H. Teng, R. A. Smith, C. C. Chirilă, M. Lein, J. W. G. Tisch, and J. P. Marangos, “Probing proton dynamics in molecules on an attosecond time scale,” Science 312(5772), 424–427 (2006).
    [Crossref] [PubMed]
  7. S. Baker, J. S. Robinson, M. Lein, C. C. Chirilă, R. Torres, H. C. Bandulet, D. Comtois, J. C. Kieffer, D. M. Villeneuve, J. W. G. Tisch, and J. P. Marangos, “Dynamic two-center interference in high-order harmonic generation from molecules with attosecond nuclear motion,” Phys. Rev. Lett. 101(5), 053901 (2008).
    [Crossref] [PubMed]
  8. W. Li, X. Zhou, R. Lock, S. Patchkovskii, A. Stolow, H. C. Kapteyn, and M. M. Murnane, “Time-resolved dynamics in N2O4 probed using high harmonic generation,” Science 322(5905), 1207–1211 (2008).
    [Crossref] [PubMed]
  9. O. Smirnova, Y. Mairesse, S. Patchkovskii, N. Dudovich, D. Villeneuve, P. Corkum, and M. Yu. Ivanov, “High harmonic interferometry of multi-electron dynamics in molecules,” Nature 460(7258), 972–977 (2009).
    [Crossref] [PubMed]
  10. O. Smirnova, S. Patchkovskii, Y. Mairesse, N. Dudovich, and M. Yu. Ivanov, “Strong-field control and spectroscopy of attosecond electron-hole dynamics in molecules,” Proc. Natl. Acad. Sci. U.S.A. 106(39), 16556–16561 (2009).
    [Crossref] [PubMed]
  11. P. B. Corkum, “Plasma perspective on strong field multiphoton ionization,” Phys. Rev. Lett. 71(13), 1994–1997 (1993).
    [Crossref] [PubMed]
  12. X. Zhou, X. Tong, Z. Zhao, and C. Lin, “Role of molecular orbital symmetry on the alignment dependence of high-order harmonic generation with molecules,” Phys. Rev. A 71(6), 061801 (2005).
    [Crossref]
  13. R. Nalda, E. Heesel, M. Lein, N. Hay, R. Velotta, E. Springate, M. Castillejo, and J. Marangos, “Role of orbital symmetry in high-order harmonic generation from aligned molecules,” Phys. Rev. A 69(3), 031804 (2004).
    [Crossref]
  14. B. Shan, S. Ghimire, and Z. Chang, “Effect of orbital symmetry on high-order harmonic generation from molecules,” Phys. Rev. A 69(2), 021404 (2004).
    [Crossref]
  15. H. Stapelfeldt and T. Seideman, “Colloquium: Aligning molecules with strong laser pulses,” Rev. Mod. Phys. 75(2), 543–557 (2003).
    [Crossref]
  16. R. Torres, T. Siegel, L. Brugnera, I. Procino, J. G. Underwood, C. Altucci, R. Velotta, E. Springate, C. Froud, I. C. E. Turcu, S. Patchkovskii, M. Yu. Ivanov, O. Smirnova, and J. P. Marangos, “Revealing molecular structure and dynamics through high harmonic generation driven by mid-IR fields,” (in preparation).
  17. R. Torres, N. Kajumba, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. de Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. C. E. Turcu, and J. P. Marangos, “Probing orbital structure of polyatomic molecules by high-order harmonic generation,” Phys. Rev. Lett. 98(20), 203007 (2007).
    [Crossref] [PubMed]
  18. N. Kajumba, R. Torres, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. Procino, I. C. E. Turcu, and J. P. Marangos, “Measurement of electronic structure from high harmonic generation in non-adiabatically aligned polyatomic molecules,” N. J. Phys. 10(2), 025008 (2008).
    [Crossref]
  19. M. Lewenstein, P. Balcou, M. Ivanov, A. L’Huillier, and P. Corkum, “Theory of high-harmonic generation by low-frequency laser fields,” Phys. Rev. A 49(3), 2117–2132 (1994).
    [Crossref] [PubMed]
  20. B. Shan and Z. Chang, “Dramatic extension of the high-order harmonic cutoff by using a long-wavelength driving field,” Phys. Rev. A 65(1), 011804 (2001).
    [Crossref]
  21. J. Tate, T. Auguste, H. G. Muller, P. Salières, P. Agostini, and L. F. DiMauro, “Scaling of wave-packet dynamics in an intense midinfrared field,” Phys. Rev. Lett. 98(1), 013901 (2007).
    [Crossref] [PubMed]
  22. A. D. Shiner, C. Trallero-Herrero, N. Kajumba, H.-C. Bandulet, D. Comtois, F. Légaré, M. Giguère, J.-C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Wavelength scaling of high harmonic generation efficiency,” Phys. Rev. Lett. 103(7), 073902 (2009).
    [Crossref] [PubMed]
  23. R. Torres, R. de Nalda, and J. Marangos, “Dynamics of laser-induced molecular alignment in the impulsive and adiabatic regimes: A direct comparison,” Phys. Rev. A 72(2), 023420 (2005).
    [Crossref]
  24. R. M. Lock, X. Zhou, W. Li, M. M. Murnane, and H. C. Kapteyn, “Measuring the intensity and phase of high-order harmonic emission from aligned molecules,” Chem. Phys. 366(1-3), 22–32 (2009).
    [Crossref]
  25. B. Zimmermann, M. Lein, and J. M. Rost, “Analysis of recombination in high-order harmonic generation in molecules,” Phys. Rev. A 71(3), 033401 (2005).
    [Crossref]
  26. M. Gühr, B. K. McFarland, J. P. Farrell, and P. H. Bucksbaum, “High harmonic generation for N2 and CO2 beyond the two-point model,” J. Phys. At. Mol. Opt. Phys. 40(18), 3745–3755 (2007).
    [Crossref]
  27. O. Smirnova, M. Spanner, and M. Ivanov, “Analytical solutions for strong field-driven atomic and molecular one- and two-electron continua and applications to strong-field problems,” Phys. Rev. A 77(3), 033407 (2008).
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  28. O. Smirnova, S. Patchkovskii, Y. Mairesse, N. Dudovich, D. Villeneuve, P. Corkum, and M. Yu. Ivanov, “Attosecond circular dichroism spectroscopy of polyatomic molecules,” Phys. Rev. Lett. 102(6), 063601 (2009).
    [Crossref] [PubMed]

2009 (5)

O. Smirnova, Y. Mairesse, S. Patchkovskii, N. Dudovich, D. Villeneuve, P. Corkum, and M. Yu. Ivanov, “High harmonic interferometry of multi-electron dynamics in molecules,” Nature 460(7258), 972–977 (2009).
[Crossref] [PubMed]

O. Smirnova, S. Patchkovskii, Y. Mairesse, N. Dudovich, and M. Yu. Ivanov, “Strong-field control and spectroscopy of attosecond electron-hole dynamics in molecules,” Proc. Natl. Acad. Sci. U.S.A. 106(39), 16556–16561 (2009).
[Crossref] [PubMed]

A. D. Shiner, C. Trallero-Herrero, N. Kajumba, H.-C. Bandulet, D. Comtois, F. Légaré, M. Giguère, J.-C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Wavelength scaling of high harmonic generation efficiency,” Phys. Rev. Lett. 103(7), 073902 (2009).
[Crossref] [PubMed]

R. M. Lock, X. Zhou, W. Li, M. M. Murnane, and H. C. Kapteyn, “Measuring the intensity and phase of high-order harmonic emission from aligned molecules,” Chem. Phys. 366(1-3), 22–32 (2009).
[Crossref]

O. Smirnova, S. Patchkovskii, Y. Mairesse, N. Dudovich, D. Villeneuve, P. Corkum, and M. Yu. Ivanov, “Attosecond circular dichroism spectroscopy of polyatomic molecules,” Phys. Rev. Lett. 102(6), 063601 (2009).
[Crossref] [PubMed]

2008 (4)

O. Smirnova, M. Spanner, and M. Ivanov, “Analytical solutions for strong field-driven atomic and molecular one- and two-electron continua and applications to strong-field problems,” Phys. Rev. A 77(3), 033407 (2008).
[Crossref]

N. Kajumba, R. Torres, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. Procino, I. C. E. Turcu, and J. P. Marangos, “Measurement of electronic structure from high harmonic generation in non-adiabatically aligned polyatomic molecules,” N. J. Phys. 10(2), 025008 (2008).
[Crossref]

S. Baker, J. S. Robinson, M. Lein, C. C. Chirilă, R. Torres, H. C. Bandulet, D. Comtois, J. C. Kieffer, D. M. Villeneuve, J. W. G. Tisch, and J. P. Marangos, “Dynamic two-center interference in high-order harmonic generation from molecules with attosecond nuclear motion,” Phys. Rev. Lett. 101(5), 053901 (2008).
[Crossref] [PubMed]

W. Li, X. Zhou, R. Lock, S. Patchkovskii, A. Stolow, H. C. Kapteyn, and M. M. Murnane, “Time-resolved dynamics in N2O4 probed using high harmonic generation,” Science 322(5905), 1207–1211 (2008).
[Crossref] [PubMed]

2007 (4)

J. P. Marangos, S. Baker, N. Kajumba, J. S. Robinson, J. W. G. Tisch, and R. Torres, “Dynamic imaging of molecules using high order harmonic generation,” Phys. Chem. Chem. Phys. 10(1), 35–48 (2007).
[Crossref] [PubMed]

J. Tate, T. Auguste, H. G. Muller, P. Salières, P. Agostini, and L. F. DiMauro, “Scaling of wave-packet dynamics in an intense midinfrared field,” Phys. Rev. Lett. 98(1), 013901 (2007).
[Crossref] [PubMed]

M. Gühr, B. K. McFarland, J. P. Farrell, and P. H. Bucksbaum, “High harmonic generation for N2 and CO2 beyond the two-point model,” J. Phys. At. Mol. Opt. Phys. 40(18), 3745–3755 (2007).
[Crossref]

R. Torres, N. Kajumba, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. de Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. C. E. Turcu, and J. P. Marangos, “Probing orbital structure of polyatomic molecules by high-order harmonic generation,” Phys. Rev. Lett. 98(20), 203007 (2007).
[Crossref] [PubMed]

2006 (1)

S. Baker, J. S. Robinson, C. A. Haworth, H. Teng, R. A. Smith, C. C. Chirilă, M. Lein, J. W. G. Tisch, and J. P. Marangos, “Probing proton dynamics in molecules on an attosecond time scale,” Science 312(5772), 424–427 (2006).
[Crossref] [PubMed]

2005 (5)

T. Kanai, S. Minemoto, and H. Sakai, “Quantum interference during high-order harmonic generation from aligned molecules,” Nature 435(7041), 470–474 (2005).
[Crossref] [PubMed]

C. Vozzi, F. Calegari, E. Benedetti, J.-P. Caumes, G. Sansone, S. Stagira, M. Nisoli, R. Torres, E. Heesel, N. Kajumba, J. P. Marangos, C. Altucci, and R. Velotta, “Controlling two-center interference in molecular high harmonic generation,” Phys. Rev. Lett. 95(15), 153902 (2005).
[Crossref] [PubMed]

X. Zhou, X. Tong, Z. Zhao, and C. Lin, “Role of molecular orbital symmetry on the alignment dependence of high-order harmonic generation with molecules,” Phys. Rev. A 71(6), 061801 (2005).
[Crossref]

R. Torres, R. de Nalda, and J. Marangos, “Dynamics of laser-induced molecular alignment in the impulsive and adiabatic regimes: A direct comparison,” Phys. Rev. A 72(2), 023420 (2005).
[Crossref]

B. Zimmermann, M. Lein, and J. M. Rost, “Analysis of recombination in high-order harmonic generation in molecules,” Phys. Rev. A 71(3), 033401 (2005).
[Crossref]

2004 (3)

R. Nalda, E. Heesel, M. Lein, N. Hay, R. Velotta, E. Springate, M. Castillejo, and J. Marangos, “Role of orbital symmetry in high-order harmonic generation from aligned molecules,” Phys. Rev. A 69(3), 031804 (2004).
[Crossref]

B. Shan, S. Ghimire, and Z. Chang, “Effect of orbital symmetry on high-order harmonic generation from molecules,” Phys. Rev. A 69(2), 021404 (2004).
[Crossref]

J. Itatani, J. Levesque, D. Zeidler, H. Niikura, H. Pépin, J. C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Tomographic imaging of molecular orbitals,” Nature 432(7019), 867–871 (2004).
[Crossref] [PubMed]

2003 (1)

H. Stapelfeldt and T. Seideman, “Colloquium: Aligning molecules with strong laser pulses,” Rev. Mod. Phys. 75(2), 543–557 (2003).
[Crossref]

2002 (1)

M. Lein, N. Hay, R. Velotta, J. P. Marangos, and P. L. Knight, “Role of the intramolecular phase in high-harmonic generation,” Phys. Rev. Lett. 88(18), 183903 (2002).
[Crossref] [PubMed]

2001 (1)

B. Shan and Z. Chang, “Dramatic extension of the high-order harmonic cutoff by using a long-wavelength driving field,” Phys. Rev. A 65(1), 011804 (2001).
[Crossref]

1994 (1)

M. Lewenstein, P. Balcou, M. Ivanov, A. L’Huillier, and P. Corkum, “Theory of high-harmonic generation by low-frequency laser fields,” Phys. Rev. A 49(3), 2117–2132 (1994).
[Crossref] [PubMed]

1993 (1)

P. B. Corkum, “Plasma perspective on strong field multiphoton ionization,” Phys. Rev. Lett. 71(13), 1994–1997 (1993).
[Crossref] [PubMed]

Agostini, P.

J. Tate, T. Auguste, H. G. Muller, P. Salières, P. Agostini, and L. F. DiMauro, “Scaling of wave-packet dynamics in an intense midinfrared field,” Phys. Rev. Lett. 98(1), 013901 (2007).
[Crossref] [PubMed]

Altucci, C.

N. Kajumba, R. Torres, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. Procino, I. C. E. Turcu, and J. P. Marangos, “Measurement of electronic structure from high harmonic generation in non-adiabatically aligned polyatomic molecules,” N. J. Phys. 10(2), 025008 (2008).
[Crossref]

R. Torres, N. Kajumba, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. de Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. C. E. Turcu, and J. P. Marangos, “Probing orbital structure of polyatomic molecules by high-order harmonic generation,” Phys. Rev. Lett. 98(20), 203007 (2007).
[Crossref] [PubMed]

C. Vozzi, F. Calegari, E. Benedetti, J.-P. Caumes, G. Sansone, S. Stagira, M. Nisoli, R. Torres, E. Heesel, N. Kajumba, J. P. Marangos, C. Altucci, and R. Velotta, “Controlling two-center interference in molecular high harmonic generation,” Phys. Rev. Lett. 95(15), 153902 (2005).
[Crossref] [PubMed]

R. Torres, T. Siegel, L. Brugnera, I. Procino, J. G. Underwood, C. Altucci, R. Velotta, E. Springate, C. Froud, I. C. E. Turcu, S. Patchkovskii, M. Yu. Ivanov, O. Smirnova, and J. P. Marangos, “Revealing molecular structure and dynamics through high harmonic generation driven by mid-IR fields,” (in preparation).

Auguste, T.

J. Tate, T. Auguste, H. G. Muller, P. Salières, P. Agostini, and L. F. DiMauro, “Scaling of wave-packet dynamics in an intense midinfrared field,” Phys. Rev. Lett. 98(1), 013901 (2007).
[Crossref] [PubMed]

Baker, S.

N. Kajumba, R. Torres, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. Procino, I. C. E. Turcu, and J. P. Marangos, “Measurement of electronic structure from high harmonic generation in non-adiabatically aligned polyatomic molecules,” N. J. Phys. 10(2), 025008 (2008).
[Crossref]

S. Baker, J. S. Robinson, M. Lein, C. C. Chirilă, R. Torres, H. C. Bandulet, D. Comtois, J. C. Kieffer, D. M. Villeneuve, J. W. G. Tisch, and J. P. Marangos, “Dynamic two-center interference in high-order harmonic generation from molecules with attosecond nuclear motion,” Phys. Rev. Lett. 101(5), 053901 (2008).
[Crossref] [PubMed]

J. P. Marangos, S. Baker, N. Kajumba, J. S. Robinson, J. W. G. Tisch, and R. Torres, “Dynamic imaging of molecules using high order harmonic generation,” Phys. Chem. Chem. Phys. 10(1), 35–48 (2007).
[Crossref] [PubMed]

R. Torres, N. Kajumba, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. de Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. C. E. Turcu, and J. P. Marangos, “Probing orbital structure of polyatomic molecules by high-order harmonic generation,” Phys. Rev. Lett. 98(20), 203007 (2007).
[Crossref] [PubMed]

S. Baker, J. S. Robinson, C. A. Haworth, H. Teng, R. A. Smith, C. C. Chirilă, M. Lein, J. W. G. Tisch, and J. P. Marangos, “Probing proton dynamics in molecules on an attosecond time scale,” Science 312(5772), 424–427 (2006).
[Crossref] [PubMed]

Balcou, P.

M. Lewenstein, P. Balcou, M. Ivanov, A. L’Huillier, and P. Corkum, “Theory of high-harmonic generation by low-frequency laser fields,” Phys. Rev. A 49(3), 2117–2132 (1994).
[Crossref] [PubMed]

Bandulet, H. C.

S. Baker, J. S. Robinson, M. Lein, C. C. Chirilă, R. Torres, H. C. Bandulet, D. Comtois, J. C. Kieffer, D. M. Villeneuve, J. W. G. Tisch, and J. P. Marangos, “Dynamic two-center interference in high-order harmonic generation from molecules with attosecond nuclear motion,” Phys. Rev. Lett. 101(5), 053901 (2008).
[Crossref] [PubMed]

Bandulet, H.-C.

A. D. Shiner, C. Trallero-Herrero, N. Kajumba, H.-C. Bandulet, D. Comtois, F. Légaré, M. Giguère, J.-C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Wavelength scaling of high harmonic generation efficiency,” Phys. Rev. Lett. 103(7), 073902 (2009).
[Crossref] [PubMed]

Benedetti, E.

C. Vozzi, F. Calegari, E. Benedetti, J.-P. Caumes, G. Sansone, S. Stagira, M. Nisoli, R. Torres, E. Heesel, N. Kajumba, J. P. Marangos, C. Altucci, and R. Velotta, “Controlling two-center interference in molecular high harmonic generation,” Phys. Rev. Lett. 95(15), 153902 (2005).
[Crossref] [PubMed]

Brugnera, L.

R. Torres, T. Siegel, L. Brugnera, I. Procino, J. G. Underwood, C. Altucci, R. Velotta, E. Springate, C. Froud, I. C. E. Turcu, S. Patchkovskii, M. Yu. Ivanov, O. Smirnova, and J. P. Marangos, “Revealing molecular structure and dynamics through high harmonic generation driven by mid-IR fields,” (in preparation).

Bryan, W. A.

N. Kajumba, R. Torres, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. Procino, I. C. E. Turcu, and J. P. Marangos, “Measurement of electronic structure from high harmonic generation in non-adiabatically aligned polyatomic molecules,” N. J. Phys. 10(2), 025008 (2008).
[Crossref]

R. Torres, N. Kajumba, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. de Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. C. E. Turcu, and J. P. Marangos, “Probing orbital structure of polyatomic molecules by high-order harmonic generation,” Phys. Rev. Lett. 98(20), 203007 (2007).
[Crossref] [PubMed]

Bucksbaum, P. H.

M. Gühr, B. K. McFarland, J. P. Farrell, and P. H. Bucksbaum, “High harmonic generation for N2 and CO2 beyond the two-point model,” J. Phys. At. Mol. Opt. Phys. 40(18), 3745–3755 (2007).
[Crossref]

Calegari, F.

C. Vozzi, F. Calegari, E. Benedetti, J.-P. Caumes, G. Sansone, S. Stagira, M. Nisoli, R. Torres, E. Heesel, N. Kajumba, J. P. Marangos, C. Altucci, and R. Velotta, “Controlling two-center interference in molecular high harmonic generation,” Phys. Rev. Lett. 95(15), 153902 (2005).
[Crossref] [PubMed]

Castillejo, M.

R. Nalda, E. Heesel, M. Lein, N. Hay, R. Velotta, E. Springate, M. Castillejo, and J. Marangos, “Role of orbital symmetry in high-order harmonic generation from aligned molecules,” Phys. Rev. A 69(3), 031804 (2004).
[Crossref]

Caumes, J.-P.

C. Vozzi, F. Calegari, E. Benedetti, J.-P. Caumes, G. Sansone, S. Stagira, M. Nisoli, R. Torres, E. Heesel, N. Kajumba, J. P. Marangos, C. Altucci, and R. Velotta, “Controlling two-center interference in molecular high harmonic generation,” Phys. Rev. Lett. 95(15), 153902 (2005).
[Crossref] [PubMed]

Chang, Z.

B. Shan, S. Ghimire, and Z. Chang, “Effect of orbital symmetry on high-order harmonic generation from molecules,” Phys. Rev. A 69(2), 021404 (2004).
[Crossref]

B. Shan and Z. Chang, “Dramatic extension of the high-order harmonic cutoff by using a long-wavelength driving field,” Phys. Rev. A 65(1), 011804 (2001).
[Crossref]

Chirila, C. C.

S. Baker, J. S. Robinson, M. Lein, C. C. Chirilă, R. Torres, H. C. Bandulet, D. Comtois, J. C. Kieffer, D. M. Villeneuve, J. W. G. Tisch, and J. P. Marangos, “Dynamic two-center interference in high-order harmonic generation from molecules with attosecond nuclear motion,” Phys. Rev. Lett. 101(5), 053901 (2008).
[Crossref] [PubMed]

S. Baker, J. S. Robinson, C. A. Haworth, H. Teng, R. A. Smith, C. C. Chirilă, M. Lein, J. W. G. Tisch, and J. P. Marangos, “Probing proton dynamics in molecules on an attosecond time scale,” Science 312(5772), 424–427 (2006).
[Crossref] [PubMed]

Comtois, D.

A. D. Shiner, C. Trallero-Herrero, N. Kajumba, H.-C. Bandulet, D. Comtois, F. Légaré, M. Giguère, J.-C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Wavelength scaling of high harmonic generation efficiency,” Phys. Rev. Lett. 103(7), 073902 (2009).
[Crossref] [PubMed]

S. Baker, J. S. Robinson, M. Lein, C. C. Chirilă, R. Torres, H. C. Bandulet, D. Comtois, J. C. Kieffer, D. M. Villeneuve, J. W. G. Tisch, and J. P. Marangos, “Dynamic two-center interference in high-order harmonic generation from molecules with attosecond nuclear motion,” Phys. Rev. Lett. 101(5), 053901 (2008).
[Crossref] [PubMed]

Corkum, P.

O. Smirnova, Y. Mairesse, S. Patchkovskii, N. Dudovich, D. Villeneuve, P. Corkum, and M. Yu. Ivanov, “High harmonic interferometry of multi-electron dynamics in molecules,” Nature 460(7258), 972–977 (2009).
[Crossref] [PubMed]

O. Smirnova, S. Patchkovskii, Y. Mairesse, N. Dudovich, D. Villeneuve, P. Corkum, and M. Yu. Ivanov, “Attosecond circular dichroism spectroscopy of polyatomic molecules,” Phys. Rev. Lett. 102(6), 063601 (2009).
[Crossref] [PubMed]

M. Lewenstein, P. Balcou, M. Ivanov, A. L’Huillier, and P. Corkum, “Theory of high-harmonic generation by low-frequency laser fields,” Phys. Rev. A 49(3), 2117–2132 (1994).
[Crossref] [PubMed]

Corkum, P. B.

A. D. Shiner, C. Trallero-Herrero, N. Kajumba, H.-C. Bandulet, D. Comtois, F. Légaré, M. Giguère, J.-C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Wavelength scaling of high harmonic generation efficiency,” Phys. Rev. Lett. 103(7), 073902 (2009).
[Crossref] [PubMed]

J. Itatani, J. Levesque, D. Zeidler, H. Niikura, H. Pépin, J. C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Tomographic imaging of molecular orbitals,” Nature 432(7019), 867–871 (2004).
[Crossref] [PubMed]

P. B. Corkum, “Plasma perspective on strong field multiphoton ionization,” Phys. Rev. Lett. 71(13), 1994–1997 (1993).
[Crossref] [PubMed]

de Nalda, R.

R. Torres, N. Kajumba, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. de Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. C. E. Turcu, and J. P. Marangos, “Probing orbital structure of polyatomic molecules by high-order harmonic generation,” Phys. Rev. Lett. 98(20), 203007 (2007).
[Crossref] [PubMed]

R. Torres, R. de Nalda, and J. Marangos, “Dynamics of laser-induced molecular alignment in the impulsive and adiabatic regimes: A direct comparison,” Phys. Rev. A 72(2), 023420 (2005).
[Crossref]

DiMauro, L. F.

J. Tate, T. Auguste, H. G. Muller, P. Salières, P. Agostini, and L. F. DiMauro, “Scaling of wave-packet dynamics in an intense midinfrared field,” Phys. Rev. Lett. 98(1), 013901 (2007).
[Crossref] [PubMed]

Dudovich, N.

O. Smirnova, S. Patchkovskii, Y. Mairesse, N. Dudovich, D. Villeneuve, P. Corkum, and M. Yu. Ivanov, “Attosecond circular dichroism spectroscopy of polyatomic molecules,” Phys. Rev. Lett. 102(6), 063601 (2009).
[Crossref] [PubMed]

O. Smirnova, S. Patchkovskii, Y. Mairesse, N. Dudovich, and M. Yu. Ivanov, “Strong-field control and spectroscopy of attosecond electron-hole dynamics in molecules,” Proc. Natl. Acad. Sci. U.S.A. 106(39), 16556–16561 (2009).
[Crossref] [PubMed]

O. Smirnova, Y. Mairesse, S. Patchkovskii, N. Dudovich, D. Villeneuve, P. Corkum, and M. Yu. Ivanov, “High harmonic interferometry of multi-electron dynamics in molecules,” Nature 460(7258), 972–977 (2009).
[Crossref] [PubMed]

Farrell, J. P.

M. Gühr, B. K. McFarland, J. P. Farrell, and P. H. Bucksbaum, “High harmonic generation for N2 and CO2 beyond the two-point model,” J. Phys. At. Mol. Opt. Phys. 40(18), 3745–3755 (2007).
[Crossref]

Froud, C.

R. Torres, T. Siegel, L. Brugnera, I. Procino, J. G. Underwood, C. Altucci, R. Velotta, E. Springate, C. Froud, I. C. E. Turcu, S. Patchkovskii, M. Yu. Ivanov, O. Smirnova, and J. P. Marangos, “Revealing molecular structure and dynamics through high harmonic generation driven by mid-IR fields,” (in preparation).

Ghimire, S.

B. Shan, S. Ghimire, and Z. Chang, “Effect of orbital symmetry on high-order harmonic generation from molecules,” Phys. Rev. A 69(2), 021404 (2004).
[Crossref]

Giguère, M.

A. D. Shiner, C. Trallero-Herrero, N. Kajumba, H.-C. Bandulet, D. Comtois, F. Légaré, M. Giguère, J.-C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Wavelength scaling of high harmonic generation efficiency,” Phys. Rev. Lett. 103(7), 073902 (2009).
[Crossref] [PubMed]

Gühr, M.

M. Gühr, B. K. McFarland, J. P. Farrell, and P. H. Bucksbaum, “High harmonic generation for N2 and CO2 beyond the two-point model,” J. Phys. At. Mol. Opt. Phys. 40(18), 3745–3755 (2007).
[Crossref]

Haworth, C. A.

S. Baker, J. S. Robinson, C. A. Haworth, H. Teng, R. A. Smith, C. C. Chirilă, M. Lein, J. W. G. Tisch, and J. P. Marangos, “Probing proton dynamics in molecules on an attosecond time scale,” Science 312(5772), 424–427 (2006).
[Crossref] [PubMed]

Hay, N.

R. Nalda, E. Heesel, M. Lein, N. Hay, R. Velotta, E. Springate, M. Castillejo, and J. Marangos, “Role of orbital symmetry in high-order harmonic generation from aligned molecules,” Phys. Rev. A 69(3), 031804 (2004).
[Crossref]

M. Lein, N. Hay, R. Velotta, J. P. Marangos, and P. L. Knight, “Role of the intramolecular phase in high-harmonic generation,” Phys. Rev. Lett. 88(18), 183903 (2002).
[Crossref] [PubMed]

Heesel, E.

C. Vozzi, F. Calegari, E. Benedetti, J.-P. Caumes, G. Sansone, S. Stagira, M. Nisoli, R. Torres, E. Heesel, N. Kajumba, J. P. Marangos, C. Altucci, and R. Velotta, “Controlling two-center interference in molecular high harmonic generation,” Phys. Rev. Lett. 95(15), 153902 (2005).
[Crossref] [PubMed]

R. Nalda, E. Heesel, M. Lein, N. Hay, R. Velotta, E. Springate, M. Castillejo, and J. Marangos, “Role of orbital symmetry in high-order harmonic generation from aligned molecules,” Phys. Rev. A 69(3), 031804 (2004).
[Crossref]

Itatani, J.

J. Itatani, J. Levesque, D. Zeidler, H. Niikura, H. Pépin, J. C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Tomographic imaging of molecular orbitals,” Nature 432(7019), 867–871 (2004).
[Crossref] [PubMed]

Ivanov, M.

O. Smirnova, M. Spanner, and M. Ivanov, “Analytical solutions for strong field-driven atomic and molecular one- and two-electron continua and applications to strong-field problems,” Phys. Rev. A 77(3), 033407 (2008).
[Crossref]

M. Lewenstein, P. Balcou, M. Ivanov, A. L’Huillier, and P. Corkum, “Theory of high-harmonic generation by low-frequency laser fields,” Phys. Rev. A 49(3), 2117–2132 (1994).
[Crossref] [PubMed]

Ivanov, M. Yu.

O. Smirnova, S. Patchkovskii, Y. Mairesse, N. Dudovich, and M. Yu. Ivanov, “Strong-field control and spectroscopy of attosecond electron-hole dynamics in molecules,” Proc. Natl. Acad. Sci. U.S.A. 106(39), 16556–16561 (2009).
[Crossref] [PubMed]

O. Smirnova, Y. Mairesse, S. Patchkovskii, N. Dudovich, D. Villeneuve, P. Corkum, and M. Yu. Ivanov, “High harmonic interferometry of multi-electron dynamics in molecules,” Nature 460(7258), 972–977 (2009).
[Crossref] [PubMed]

O. Smirnova, S. Patchkovskii, Y. Mairesse, N. Dudovich, D. Villeneuve, P. Corkum, and M. Yu. Ivanov, “Attosecond circular dichroism spectroscopy of polyatomic molecules,” Phys. Rev. Lett. 102(6), 063601 (2009).
[Crossref] [PubMed]

R. Torres, T. Siegel, L. Brugnera, I. Procino, J. G. Underwood, C. Altucci, R. Velotta, E. Springate, C. Froud, I. C. E. Turcu, S. Patchkovskii, M. Yu. Ivanov, O. Smirnova, and J. P. Marangos, “Revealing molecular structure and dynamics through high harmonic generation driven by mid-IR fields,” (in preparation).

Kajumba, N.

A. D. Shiner, C. Trallero-Herrero, N. Kajumba, H.-C. Bandulet, D. Comtois, F. Légaré, M. Giguère, J.-C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Wavelength scaling of high harmonic generation efficiency,” Phys. Rev. Lett. 103(7), 073902 (2009).
[Crossref] [PubMed]

N. Kajumba, R. Torres, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. Procino, I. C. E. Turcu, and J. P. Marangos, “Measurement of electronic structure from high harmonic generation in non-adiabatically aligned polyatomic molecules,” N. J. Phys. 10(2), 025008 (2008).
[Crossref]

R. Torres, N. Kajumba, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. de Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. C. E. Turcu, and J. P. Marangos, “Probing orbital structure of polyatomic molecules by high-order harmonic generation,” Phys. Rev. Lett. 98(20), 203007 (2007).
[Crossref] [PubMed]

J. P. Marangos, S. Baker, N. Kajumba, J. S. Robinson, J. W. G. Tisch, and R. Torres, “Dynamic imaging of molecules using high order harmonic generation,” Phys. Chem. Chem. Phys. 10(1), 35–48 (2007).
[Crossref] [PubMed]

C. Vozzi, F. Calegari, E. Benedetti, J.-P. Caumes, G. Sansone, S. Stagira, M. Nisoli, R. Torres, E. Heesel, N. Kajumba, J. P. Marangos, C. Altucci, and R. Velotta, “Controlling two-center interference in molecular high harmonic generation,” Phys. Rev. Lett. 95(15), 153902 (2005).
[Crossref] [PubMed]

Kanai, T.

T. Kanai, S. Minemoto, and H. Sakai, “Quantum interference during high-order harmonic generation from aligned molecules,” Nature 435(7041), 470–474 (2005).
[Crossref] [PubMed]

Kapteyn, H. C.

R. M. Lock, X. Zhou, W. Li, M. M. Murnane, and H. C. Kapteyn, “Measuring the intensity and phase of high-order harmonic emission from aligned molecules,” Chem. Phys. 366(1-3), 22–32 (2009).
[Crossref]

W. Li, X. Zhou, R. Lock, S. Patchkovskii, A. Stolow, H. C. Kapteyn, and M. M. Murnane, “Time-resolved dynamics in N2O4 probed using high harmonic generation,” Science 322(5905), 1207–1211 (2008).
[Crossref] [PubMed]

Kieffer, J. C.

S. Baker, J. S. Robinson, M. Lein, C. C. Chirilă, R. Torres, H. C. Bandulet, D. Comtois, J. C. Kieffer, D. M. Villeneuve, J. W. G. Tisch, and J. P. Marangos, “Dynamic two-center interference in high-order harmonic generation from molecules with attosecond nuclear motion,” Phys. Rev. Lett. 101(5), 053901 (2008).
[Crossref] [PubMed]

J. Itatani, J. Levesque, D. Zeidler, H. Niikura, H. Pépin, J. C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Tomographic imaging of molecular orbitals,” Nature 432(7019), 867–871 (2004).
[Crossref] [PubMed]

Kieffer, J.-C.

A. D. Shiner, C. Trallero-Herrero, N. Kajumba, H.-C. Bandulet, D. Comtois, F. Légaré, M. Giguère, J.-C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Wavelength scaling of high harmonic generation efficiency,” Phys. Rev. Lett. 103(7), 073902 (2009).
[Crossref] [PubMed]

Knight, P. L.

M. Lein, N. Hay, R. Velotta, J. P. Marangos, and P. L. Knight, “Role of the intramolecular phase in high-harmonic generation,” Phys. Rev. Lett. 88(18), 183903 (2002).
[Crossref] [PubMed]

L’Huillier, A.

M. Lewenstein, P. Balcou, M. Ivanov, A. L’Huillier, and P. Corkum, “Theory of high-harmonic generation by low-frequency laser fields,” Phys. Rev. A 49(3), 2117–2132 (1994).
[Crossref] [PubMed]

Légaré, F.

A. D. Shiner, C. Trallero-Herrero, N. Kajumba, H.-C. Bandulet, D. Comtois, F. Légaré, M. Giguère, J.-C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Wavelength scaling of high harmonic generation efficiency,” Phys. Rev. Lett. 103(7), 073902 (2009).
[Crossref] [PubMed]

Lein, M.

S. Baker, J. S. Robinson, M. Lein, C. C. Chirilă, R. Torres, H. C. Bandulet, D. Comtois, J. C. Kieffer, D. M. Villeneuve, J. W. G. Tisch, and J. P. Marangos, “Dynamic two-center interference in high-order harmonic generation from molecules with attosecond nuclear motion,” Phys. Rev. Lett. 101(5), 053901 (2008).
[Crossref] [PubMed]

S. Baker, J. S. Robinson, C. A. Haworth, H. Teng, R. A. Smith, C. C. Chirilă, M. Lein, J. W. G. Tisch, and J. P. Marangos, “Probing proton dynamics in molecules on an attosecond time scale,” Science 312(5772), 424–427 (2006).
[Crossref] [PubMed]

B. Zimmermann, M. Lein, and J. M. Rost, “Analysis of recombination in high-order harmonic generation in molecules,” Phys. Rev. A 71(3), 033401 (2005).
[Crossref]

R. Nalda, E. Heesel, M. Lein, N. Hay, R. Velotta, E. Springate, M. Castillejo, and J. Marangos, “Role of orbital symmetry in high-order harmonic generation from aligned molecules,” Phys. Rev. A 69(3), 031804 (2004).
[Crossref]

M. Lein, N. Hay, R. Velotta, J. P. Marangos, and P. L. Knight, “Role of the intramolecular phase in high-harmonic generation,” Phys. Rev. Lett. 88(18), 183903 (2002).
[Crossref] [PubMed]

Levesque, J.

J. Itatani, J. Levesque, D. Zeidler, H. Niikura, H. Pépin, J. C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Tomographic imaging of molecular orbitals,” Nature 432(7019), 867–871 (2004).
[Crossref] [PubMed]

Lewenstein, M.

M. Lewenstein, P. Balcou, M. Ivanov, A. L’Huillier, and P. Corkum, “Theory of high-harmonic generation by low-frequency laser fields,” Phys. Rev. A 49(3), 2117–2132 (1994).
[Crossref] [PubMed]

Li, W.

R. M. Lock, X. Zhou, W. Li, M. M. Murnane, and H. C. Kapteyn, “Measuring the intensity and phase of high-order harmonic emission from aligned molecules,” Chem. Phys. 366(1-3), 22–32 (2009).
[Crossref]

W. Li, X. Zhou, R. Lock, S. Patchkovskii, A. Stolow, H. C. Kapteyn, and M. M. Murnane, “Time-resolved dynamics in N2O4 probed using high harmonic generation,” Science 322(5905), 1207–1211 (2008).
[Crossref] [PubMed]

Lin, C.

X. Zhou, X. Tong, Z. Zhao, and C. Lin, “Role of molecular orbital symmetry on the alignment dependence of high-order harmonic generation with molecules,” Phys. Rev. A 71(6), 061801 (2005).
[Crossref]

Lock, R.

W. Li, X. Zhou, R. Lock, S. Patchkovskii, A. Stolow, H. C. Kapteyn, and M. M. Murnane, “Time-resolved dynamics in N2O4 probed using high harmonic generation,” Science 322(5905), 1207–1211 (2008).
[Crossref] [PubMed]

Lock, R. M.

R. M. Lock, X. Zhou, W. Li, M. M. Murnane, and H. C. Kapteyn, “Measuring the intensity and phase of high-order harmonic emission from aligned molecules,” Chem. Phys. 366(1-3), 22–32 (2009).
[Crossref]

Mairesse, Y.

O. Smirnova, S. Patchkovskii, Y. Mairesse, N. Dudovich, D. Villeneuve, P. Corkum, and M. Yu. Ivanov, “Attosecond circular dichroism spectroscopy of polyatomic molecules,” Phys. Rev. Lett. 102(6), 063601 (2009).
[Crossref] [PubMed]

O. Smirnova, Y. Mairesse, S. Patchkovskii, N. Dudovich, D. Villeneuve, P. Corkum, and M. Yu. Ivanov, “High harmonic interferometry of multi-electron dynamics in molecules,” Nature 460(7258), 972–977 (2009).
[Crossref] [PubMed]

O. Smirnova, S. Patchkovskii, Y. Mairesse, N. Dudovich, and M. Yu. Ivanov, “Strong-field control and spectroscopy of attosecond electron-hole dynamics in molecules,” Proc. Natl. Acad. Sci. U.S.A. 106(39), 16556–16561 (2009).
[Crossref] [PubMed]

Marangos, J.

R. Torres, R. de Nalda, and J. Marangos, “Dynamics of laser-induced molecular alignment in the impulsive and adiabatic regimes: A direct comparison,” Phys. Rev. A 72(2), 023420 (2005).
[Crossref]

R. Nalda, E. Heesel, M. Lein, N. Hay, R. Velotta, E. Springate, M. Castillejo, and J. Marangos, “Role of orbital symmetry in high-order harmonic generation from aligned molecules,” Phys. Rev. A 69(3), 031804 (2004).
[Crossref]

Marangos, J. P.

N. Kajumba, R. Torres, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. Procino, I. C. E. Turcu, and J. P. Marangos, “Measurement of electronic structure from high harmonic generation in non-adiabatically aligned polyatomic molecules,” N. J. Phys. 10(2), 025008 (2008).
[Crossref]

S. Baker, J. S. Robinson, M. Lein, C. C. Chirilă, R. Torres, H. C. Bandulet, D. Comtois, J. C. Kieffer, D. M. Villeneuve, J. W. G. Tisch, and J. P. Marangos, “Dynamic two-center interference in high-order harmonic generation from molecules with attosecond nuclear motion,” Phys. Rev. Lett. 101(5), 053901 (2008).
[Crossref] [PubMed]

J. P. Marangos, S. Baker, N. Kajumba, J. S. Robinson, J. W. G. Tisch, and R. Torres, “Dynamic imaging of molecules using high order harmonic generation,” Phys. Chem. Chem. Phys. 10(1), 35–48 (2007).
[Crossref] [PubMed]

R. Torres, N. Kajumba, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. de Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. C. E. Turcu, and J. P. Marangos, “Probing orbital structure of polyatomic molecules by high-order harmonic generation,” Phys. Rev. Lett. 98(20), 203007 (2007).
[Crossref] [PubMed]

S. Baker, J. S. Robinson, C. A. Haworth, H. Teng, R. A. Smith, C. C. Chirilă, M. Lein, J. W. G. Tisch, and J. P. Marangos, “Probing proton dynamics in molecules on an attosecond time scale,” Science 312(5772), 424–427 (2006).
[Crossref] [PubMed]

C. Vozzi, F. Calegari, E. Benedetti, J.-P. Caumes, G. Sansone, S. Stagira, M. Nisoli, R. Torres, E. Heesel, N. Kajumba, J. P. Marangos, C. Altucci, and R. Velotta, “Controlling two-center interference in molecular high harmonic generation,” Phys. Rev. Lett. 95(15), 153902 (2005).
[Crossref] [PubMed]

M. Lein, N. Hay, R. Velotta, J. P. Marangos, and P. L. Knight, “Role of the intramolecular phase in high-harmonic generation,” Phys. Rev. Lett. 88(18), 183903 (2002).
[Crossref] [PubMed]

R. Torres, T. Siegel, L. Brugnera, I. Procino, J. G. Underwood, C. Altucci, R. Velotta, E. Springate, C. Froud, I. C. E. Turcu, S. Patchkovskii, M. Yu. Ivanov, O. Smirnova, and J. P. Marangos, “Revealing molecular structure and dynamics through high harmonic generation driven by mid-IR fields,” (in preparation).

McFarland, B. K.

M. Gühr, B. K. McFarland, J. P. Farrell, and P. H. Bucksbaum, “High harmonic generation for N2 and CO2 beyond the two-point model,” J. Phys. At. Mol. Opt. Phys. 40(18), 3745–3755 (2007).
[Crossref]

Minemoto, S.

T. Kanai, S. Minemoto, and H. Sakai, “Quantum interference during high-order harmonic generation from aligned molecules,” Nature 435(7041), 470–474 (2005).
[Crossref] [PubMed]

Muller, H. G.

J. Tate, T. Auguste, H. G. Muller, P. Salières, P. Agostini, and L. F. DiMauro, “Scaling of wave-packet dynamics in an intense midinfrared field,” Phys. Rev. Lett. 98(1), 013901 (2007).
[Crossref] [PubMed]

Murnane, M. M.

R. M. Lock, X. Zhou, W. Li, M. M. Murnane, and H. C. Kapteyn, “Measuring the intensity and phase of high-order harmonic emission from aligned molecules,” Chem. Phys. 366(1-3), 22–32 (2009).
[Crossref]

W. Li, X. Zhou, R. Lock, S. Patchkovskii, A. Stolow, H. C. Kapteyn, and M. M. Murnane, “Time-resolved dynamics in N2O4 probed using high harmonic generation,” Science 322(5905), 1207–1211 (2008).
[Crossref] [PubMed]

Nalda, R.

N. Kajumba, R. Torres, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. Procino, I. C. E. Turcu, and J. P. Marangos, “Measurement of electronic structure from high harmonic generation in non-adiabatically aligned polyatomic molecules,” N. J. Phys. 10(2), 025008 (2008).
[Crossref]

R. Nalda, E. Heesel, M. Lein, N. Hay, R. Velotta, E. Springate, M. Castillejo, and J. Marangos, “Role of orbital symmetry in high-order harmonic generation from aligned molecules,” Phys. Rev. A 69(3), 031804 (2004).
[Crossref]

Niikura, H.

J. Itatani, J. Levesque, D. Zeidler, H. Niikura, H. Pépin, J. C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Tomographic imaging of molecular orbitals,” Nature 432(7019), 867–871 (2004).
[Crossref] [PubMed]

Nisoli, M.

C. Vozzi, F. Calegari, E. Benedetti, J.-P. Caumes, G. Sansone, S. Stagira, M. Nisoli, R. Torres, E. Heesel, N. Kajumba, J. P. Marangos, C. Altucci, and R. Velotta, “Controlling two-center interference in molecular high harmonic generation,” Phys. Rev. Lett. 95(15), 153902 (2005).
[Crossref] [PubMed]

Patchkovskii, S.

O. Smirnova, S. Patchkovskii, Y. Mairesse, N. Dudovich, and M. Yu. Ivanov, “Strong-field control and spectroscopy of attosecond electron-hole dynamics in molecules,” Proc. Natl. Acad. Sci. U.S.A. 106(39), 16556–16561 (2009).
[Crossref] [PubMed]

O. Smirnova, Y. Mairesse, S. Patchkovskii, N. Dudovich, D. Villeneuve, P. Corkum, and M. Yu. Ivanov, “High harmonic interferometry of multi-electron dynamics in molecules,” Nature 460(7258), 972–977 (2009).
[Crossref] [PubMed]

O. Smirnova, S. Patchkovskii, Y. Mairesse, N. Dudovich, D. Villeneuve, P. Corkum, and M. Yu. Ivanov, “Attosecond circular dichroism spectroscopy of polyatomic molecules,” Phys. Rev. Lett. 102(6), 063601 (2009).
[Crossref] [PubMed]

W. Li, X. Zhou, R. Lock, S. Patchkovskii, A. Stolow, H. C. Kapteyn, and M. M. Murnane, “Time-resolved dynamics in N2O4 probed using high harmonic generation,” Science 322(5905), 1207–1211 (2008).
[Crossref] [PubMed]

R. Torres, T. Siegel, L. Brugnera, I. Procino, J. G. Underwood, C. Altucci, R. Velotta, E. Springate, C. Froud, I. C. E. Turcu, S. Patchkovskii, M. Yu. Ivanov, O. Smirnova, and J. P. Marangos, “Revealing molecular structure and dynamics through high harmonic generation driven by mid-IR fields,” (in preparation).

Pépin, H.

J. Itatani, J. Levesque, D. Zeidler, H. Niikura, H. Pépin, J. C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Tomographic imaging of molecular orbitals,” Nature 432(7019), 867–871 (2004).
[Crossref] [PubMed]

Procino, I.

N. Kajumba, R. Torres, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. Procino, I. C. E. Turcu, and J. P. Marangos, “Measurement of electronic structure from high harmonic generation in non-adiabatically aligned polyatomic molecules,” N. J. Phys. 10(2), 025008 (2008).
[Crossref]

R. Torres, T. Siegel, L. Brugnera, I. Procino, J. G. Underwood, C. Altucci, R. Velotta, E. Springate, C. Froud, I. C. E. Turcu, S. Patchkovskii, M. Yu. Ivanov, O. Smirnova, and J. P. Marangos, “Revealing molecular structure and dynamics through high harmonic generation driven by mid-IR fields,” (in preparation).

Robinson, J. S.

N. Kajumba, R. Torres, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. Procino, I. C. E. Turcu, and J. P. Marangos, “Measurement of electronic structure from high harmonic generation in non-adiabatically aligned polyatomic molecules,” N. J. Phys. 10(2), 025008 (2008).
[Crossref]

S. Baker, J. S. Robinson, M. Lein, C. C. Chirilă, R. Torres, H. C. Bandulet, D. Comtois, J. C. Kieffer, D. M. Villeneuve, J. W. G. Tisch, and J. P. Marangos, “Dynamic two-center interference in high-order harmonic generation from molecules with attosecond nuclear motion,” Phys. Rev. Lett. 101(5), 053901 (2008).
[Crossref] [PubMed]

J. P. Marangos, S. Baker, N. Kajumba, J. S. Robinson, J. W. G. Tisch, and R. Torres, “Dynamic imaging of molecules using high order harmonic generation,” Phys. Chem. Chem. Phys. 10(1), 35–48 (2007).
[Crossref] [PubMed]

R. Torres, N. Kajumba, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. de Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. C. E. Turcu, and J. P. Marangos, “Probing orbital structure of polyatomic molecules by high-order harmonic generation,” Phys. Rev. Lett. 98(20), 203007 (2007).
[Crossref] [PubMed]

S. Baker, J. S. Robinson, C. A. Haworth, H. Teng, R. A. Smith, C. C. Chirilă, M. Lein, J. W. G. Tisch, and J. P. Marangos, “Probing proton dynamics in molecules on an attosecond time scale,” Science 312(5772), 424–427 (2006).
[Crossref] [PubMed]

Rost, J. M.

B. Zimmermann, M. Lein, and J. M. Rost, “Analysis of recombination in high-order harmonic generation in molecules,” Phys. Rev. A 71(3), 033401 (2005).
[Crossref]

Sakai, H.

T. Kanai, S. Minemoto, and H. Sakai, “Quantum interference during high-order harmonic generation from aligned molecules,” Nature 435(7041), 470–474 (2005).
[Crossref] [PubMed]

Salières, P.

J. Tate, T. Auguste, H. G. Muller, P. Salières, P. Agostini, and L. F. DiMauro, “Scaling of wave-packet dynamics in an intense midinfrared field,” Phys. Rev. Lett. 98(1), 013901 (2007).
[Crossref] [PubMed]

Sansone, G.

C. Vozzi, F. Calegari, E. Benedetti, J.-P. Caumes, G. Sansone, S. Stagira, M. Nisoli, R. Torres, E. Heesel, N. Kajumba, J. P. Marangos, C. Altucci, and R. Velotta, “Controlling two-center interference in molecular high harmonic generation,” Phys. Rev. Lett. 95(15), 153902 (2005).
[Crossref] [PubMed]

Seideman, T.

H. Stapelfeldt and T. Seideman, “Colloquium: Aligning molecules with strong laser pulses,” Rev. Mod. Phys. 75(2), 543–557 (2003).
[Crossref]

Shan, B.

B. Shan, S. Ghimire, and Z. Chang, “Effect of orbital symmetry on high-order harmonic generation from molecules,” Phys. Rev. A 69(2), 021404 (2004).
[Crossref]

B. Shan and Z. Chang, “Dramatic extension of the high-order harmonic cutoff by using a long-wavelength driving field,” Phys. Rev. A 65(1), 011804 (2001).
[Crossref]

Shiner, A. D.

A. D. Shiner, C. Trallero-Herrero, N. Kajumba, H.-C. Bandulet, D. Comtois, F. Légaré, M. Giguère, J.-C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Wavelength scaling of high harmonic generation efficiency,” Phys. Rev. Lett. 103(7), 073902 (2009).
[Crossref] [PubMed]

Siegel, T.

R. Torres, T. Siegel, L. Brugnera, I. Procino, J. G. Underwood, C. Altucci, R. Velotta, E. Springate, C. Froud, I. C. E. Turcu, S. Patchkovskii, M. Yu. Ivanov, O. Smirnova, and J. P. Marangos, “Revealing molecular structure and dynamics through high harmonic generation driven by mid-IR fields,” (in preparation).

Smirnova, O.

O. Smirnova, Y. Mairesse, S. Patchkovskii, N. Dudovich, D. Villeneuve, P. Corkum, and M. Yu. Ivanov, “High harmonic interferometry of multi-electron dynamics in molecules,” Nature 460(7258), 972–977 (2009).
[Crossref] [PubMed]

O. Smirnova, S. Patchkovskii, Y. Mairesse, N. Dudovich, and M. Yu. Ivanov, “Strong-field control and spectroscopy of attosecond electron-hole dynamics in molecules,” Proc. Natl. Acad. Sci. U.S.A. 106(39), 16556–16561 (2009).
[Crossref] [PubMed]

O. Smirnova, S. Patchkovskii, Y. Mairesse, N. Dudovich, D. Villeneuve, P. Corkum, and M. Yu. Ivanov, “Attosecond circular dichroism spectroscopy of polyatomic molecules,” Phys. Rev. Lett. 102(6), 063601 (2009).
[Crossref] [PubMed]

O. Smirnova, M. Spanner, and M. Ivanov, “Analytical solutions for strong field-driven atomic and molecular one- and two-electron continua and applications to strong-field problems,” Phys. Rev. A 77(3), 033407 (2008).
[Crossref]

R. Torres, T. Siegel, L. Brugnera, I. Procino, J. G. Underwood, C. Altucci, R. Velotta, E. Springate, C. Froud, I. C. E. Turcu, S. Patchkovskii, M. Yu. Ivanov, O. Smirnova, and J. P. Marangos, “Revealing molecular structure and dynamics through high harmonic generation driven by mid-IR fields,” (in preparation).

Smith, R. A.

S. Baker, J. S. Robinson, C. A. Haworth, H. Teng, R. A. Smith, C. C. Chirilă, M. Lein, J. W. G. Tisch, and J. P. Marangos, “Probing proton dynamics in molecules on an attosecond time scale,” Science 312(5772), 424–427 (2006).
[Crossref] [PubMed]

Spanner, M.

O. Smirnova, M. Spanner, and M. Ivanov, “Analytical solutions for strong field-driven atomic and molecular one- and two-electron continua and applications to strong-field problems,” Phys. Rev. A 77(3), 033407 (2008).
[Crossref]

Springate, E.

R. Nalda, E. Heesel, M. Lein, N. Hay, R. Velotta, E. Springate, M. Castillejo, and J. Marangos, “Role of orbital symmetry in high-order harmonic generation from aligned molecules,” Phys. Rev. A 69(3), 031804 (2004).
[Crossref]

R. Torres, T. Siegel, L. Brugnera, I. Procino, J. G. Underwood, C. Altucci, R. Velotta, E. Springate, C. Froud, I. C. E. Turcu, S. Patchkovskii, M. Yu. Ivanov, O. Smirnova, and J. P. Marangos, “Revealing molecular structure and dynamics through high harmonic generation driven by mid-IR fields,” (in preparation).

Stagira, S.

C. Vozzi, F. Calegari, E. Benedetti, J.-P. Caumes, G. Sansone, S. Stagira, M. Nisoli, R. Torres, E. Heesel, N. Kajumba, J. P. Marangos, C. Altucci, and R. Velotta, “Controlling two-center interference in molecular high harmonic generation,” Phys. Rev. Lett. 95(15), 153902 (2005).
[Crossref] [PubMed]

Stapelfeldt, H.

H. Stapelfeldt and T. Seideman, “Colloquium: Aligning molecules with strong laser pulses,” Rev. Mod. Phys. 75(2), 543–557 (2003).
[Crossref]

Stolow, A.

W. Li, X. Zhou, R. Lock, S. Patchkovskii, A. Stolow, H. C. Kapteyn, and M. M. Murnane, “Time-resolved dynamics in N2O4 probed using high harmonic generation,” Science 322(5905), 1207–1211 (2008).
[Crossref] [PubMed]

Tate, J.

J. Tate, T. Auguste, H. G. Muller, P. Salières, P. Agostini, and L. F. DiMauro, “Scaling of wave-packet dynamics in an intense midinfrared field,” Phys. Rev. Lett. 98(1), 013901 (2007).
[Crossref] [PubMed]

Teng, H.

S. Baker, J. S. Robinson, C. A. Haworth, H. Teng, R. A. Smith, C. C. Chirilă, M. Lein, J. W. G. Tisch, and J. P. Marangos, “Probing proton dynamics in molecules on an attosecond time scale,” Science 312(5772), 424–427 (2006).
[Crossref] [PubMed]

Tisch, J. W. G.

S. Baker, J. S. Robinson, M. Lein, C. C. Chirilă, R. Torres, H. C. Bandulet, D. Comtois, J. C. Kieffer, D. M. Villeneuve, J. W. G. Tisch, and J. P. Marangos, “Dynamic two-center interference in high-order harmonic generation from molecules with attosecond nuclear motion,” Phys. Rev. Lett. 101(5), 053901 (2008).
[Crossref] [PubMed]

N. Kajumba, R. Torres, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. Procino, I. C. E. Turcu, and J. P. Marangos, “Measurement of electronic structure from high harmonic generation in non-adiabatically aligned polyatomic molecules,” N. J. Phys. 10(2), 025008 (2008).
[Crossref]

R. Torres, N. Kajumba, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. de Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. C. E. Turcu, and J. P. Marangos, “Probing orbital structure of polyatomic molecules by high-order harmonic generation,” Phys. Rev. Lett. 98(20), 203007 (2007).
[Crossref] [PubMed]

J. P. Marangos, S. Baker, N. Kajumba, J. S. Robinson, J. W. G. Tisch, and R. Torres, “Dynamic imaging of molecules using high order harmonic generation,” Phys. Chem. Chem. Phys. 10(1), 35–48 (2007).
[Crossref] [PubMed]

S. Baker, J. S. Robinson, C. A. Haworth, H. Teng, R. A. Smith, C. C. Chirilă, M. Lein, J. W. G. Tisch, and J. P. Marangos, “Probing proton dynamics in molecules on an attosecond time scale,” Science 312(5772), 424–427 (2006).
[Crossref] [PubMed]

Tong, X.

X. Zhou, X. Tong, Z. Zhao, and C. Lin, “Role of molecular orbital symmetry on the alignment dependence of high-order harmonic generation with molecules,” Phys. Rev. A 71(6), 061801 (2005).
[Crossref]

Torres, R.

N. Kajumba, R. Torres, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. Procino, I. C. E. Turcu, and J. P. Marangos, “Measurement of electronic structure from high harmonic generation in non-adiabatically aligned polyatomic molecules,” N. J. Phys. 10(2), 025008 (2008).
[Crossref]

S. Baker, J. S. Robinson, M. Lein, C. C. Chirilă, R. Torres, H. C. Bandulet, D. Comtois, J. C. Kieffer, D. M. Villeneuve, J. W. G. Tisch, and J. P. Marangos, “Dynamic two-center interference in high-order harmonic generation from molecules with attosecond nuclear motion,” Phys. Rev. Lett. 101(5), 053901 (2008).
[Crossref] [PubMed]

J. P. Marangos, S. Baker, N. Kajumba, J. S. Robinson, J. W. G. Tisch, and R. Torres, “Dynamic imaging of molecules using high order harmonic generation,” Phys. Chem. Chem. Phys. 10(1), 35–48 (2007).
[Crossref] [PubMed]

R. Torres, N. Kajumba, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. de Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. C. E. Turcu, and J. P. Marangos, “Probing orbital structure of polyatomic molecules by high-order harmonic generation,” Phys. Rev. Lett. 98(20), 203007 (2007).
[Crossref] [PubMed]

C. Vozzi, F. Calegari, E. Benedetti, J.-P. Caumes, G. Sansone, S. Stagira, M. Nisoli, R. Torres, E. Heesel, N. Kajumba, J. P. Marangos, C. Altucci, and R. Velotta, “Controlling two-center interference in molecular high harmonic generation,” Phys. Rev. Lett. 95(15), 153902 (2005).
[Crossref] [PubMed]

R. Torres, R. de Nalda, and J. Marangos, “Dynamics of laser-induced molecular alignment in the impulsive and adiabatic regimes: A direct comparison,” Phys. Rev. A 72(2), 023420 (2005).
[Crossref]

R. Torres, T. Siegel, L. Brugnera, I. Procino, J. G. Underwood, C. Altucci, R. Velotta, E. Springate, C. Froud, I. C. E. Turcu, S. Patchkovskii, M. Yu. Ivanov, O. Smirnova, and J. P. Marangos, “Revealing molecular structure and dynamics through high harmonic generation driven by mid-IR fields,” (in preparation).

Trallero-Herrero, C.

A. D. Shiner, C. Trallero-Herrero, N. Kajumba, H.-C. Bandulet, D. Comtois, F. Légaré, M. Giguère, J.-C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Wavelength scaling of high harmonic generation efficiency,” Phys. Rev. Lett. 103(7), 073902 (2009).
[Crossref] [PubMed]

Turcu, I. C. E.

N. Kajumba, R. Torres, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. Procino, I. C. E. Turcu, and J. P. Marangos, “Measurement of electronic structure from high harmonic generation in non-adiabatically aligned polyatomic molecules,” N. J. Phys. 10(2), 025008 (2008).
[Crossref]

R. Torres, N. Kajumba, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. de Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. C. E. Turcu, and J. P. Marangos, “Probing orbital structure of polyatomic molecules by high-order harmonic generation,” Phys. Rev. Lett. 98(20), 203007 (2007).
[Crossref] [PubMed]

R. Torres, T. Siegel, L. Brugnera, I. Procino, J. G. Underwood, C. Altucci, R. Velotta, E. Springate, C. Froud, I. C. E. Turcu, S. Patchkovskii, M. Yu. Ivanov, O. Smirnova, and J. P. Marangos, “Revealing molecular structure and dynamics through high harmonic generation driven by mid-IR fields,” (in preparation).

Underwood, J. G.

N. Kajumba, R. Torres, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. Procino, I. C. E. Turcu, and J. P. Marangos, “Measurement of electronic structure from high harmonic generation in non-adiabatically aligned polyatomic molecules,” N. J. Phys. 10(2), 025008 (2008).
[Crossref]

R. Torres, N. Kajumba, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. de Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. C. E. Turcu, and J. P. Marangos, “Probing orbital structure of polyatomic molecules by high-order harmonic generation,” Phys. Rev. Lett. 98(20), 203007 (2007).
[Crossref] [PubMed]

R. Torres, T. Siegel, L. Brugnera, I. Procino, J. G. Underwood, C. Altucci, R. Velotta, E. Springate, C. Froud, I. C. E. Turcu, S. Patchkovskii, M. Yu. Ivanov, O. Smirnova, and J. P. Marangos, “Revealing molecular structure and dynamics through high harmonic generation driven by mid-IR fields,” (in preparation).

Velotta, R.

N. Kajumba, R. Torres, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. Procino, I. C. E. Turcu, and J. P. Marangos, “Measurement of electronic structure from high harmonic generation in non-adiabatically aligned polyatomic molecules,” N. J. Phys. 10(2), 025008 (2008).
[Crossref]

R. Torres, N. Kajumba, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. de Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. C. E. Turcu, and J. P. Marangos, “Probing orbital structure of polyatomic molecules by high-order harmonic generation,” Phys. Rev. Lett. 98(20), 203007 (2007).
[Crossref] [PubMed]

C. Vozzi, F. Calegari, E. Benedetti, J.-P. Caumes, G. Sansone, S. Stagira, M. Nisoli, R. Torres, E. Heesel, N. Kajumba, J. P. Marangos, C. Altucci, and R. Velotta, “Controlling two-center interference in molecular high harmonic generation,” Phys. Rev. Lett. 95(15), 153902 (2005).
[Crossref] [PubMed]

R. Nalda, E. Heesel, M. Lein, N. Hay, R. Velotta, E. Springate, M. Castillejo, and J. Marangos, “Role of orbital symmetry in high-order harmonic generation from aligned molecules,” Phys. Rev. A 69(3), 031804 (2004).
[Crossref]

M. Lein, N. Hay, R. Velotta, J. P. Marangos, and P. L. Knight, “Role of the intramolecular phase in high-harmonic generation,” Phys. Rev. Lett. 88(18), 183903 (2002).
[Crossref] [PubMed]

R. Torres, T. Siegel, L. Brugnera, I. Procino, J. G. Underwood, C. Altucci, R. Velotta, E. Springate, C. Froud, I. C. E. Turcu, S. Patchkovskii, M. Yu. Ivanov, O. Smirnova, and J. P. Marangos, “Revealing molecular structure and dynamics through high harmonic generation driven by mid-IR fields,” (in preparation).

Villeneuve, D.

O. Smirnova, Y. Mairesse, S. Patchkovskii, N. Dudovich, D. Villeneuve, P. Corkum, and M. Yu. Ivanov, “High harmonic interferometry of multi-electron dynamics in molecules,” Nature 460(7258), 972–977 (2009).
[Crossref] [PubMed]

O. Smirnova, S. Patchkovskii, Y. Mairesse, N. Dudovich, D. Villeneuve, P. Corkum, and M. Yu. Ivanov, “Attosecond circular dichroism spectroscopy of polyatomic molecules,” Phys. Rev. Lett. 102(6), 063601 (2009).
[Crossref] [PubMed]

Villeneuve, D. M.

A. D. Shiner, C. Trallero-Herrero, N. Kajumba, H.-C. Bandulet, D. Comtois, F. Légaré, M. Giguère, J.-C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Wavelength scaling of high harmonic generation efficiency,” Phys. Rev. Lett. 103(7), 073902 (2009).
[Crossref] [PubMed]

S. Baker, J. S. Robinson, M. Lein, C. C. Chirilă, R. Torres, H. C. Bandulet, D. Comtois, J. C. Kieffer, D. M. Villeneuve, J. W. G. Tisch, and J. P. Marangos, “Dynamic two-center interference in high-order harmonic generation from molecules with attosecond nuclear motion,” Phys. Rev. Lett. 101(5), 053901 (2008).
[Crossref] [PubMed]

J. Itatani, J. Levesque, D. Zeidler, H. Niikura, H. Pépin, J. C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Tomographic imaging of molecular orbitals,” Nature 432(7019), 867–871 (2004).
[Crossref] [PubMed]

Vozzi, C.

C. Vozzi, F. Calegari, E. Benedetti, J.-P. Caumes, G. Sansone, S. Stagira, M. Nisoli, R. Torres, E. Heesel, N. Kajumba, J. P. Marangos, C. Altucci, and R. Velotta, “Controlling two-center interference in molecular high harmonic generation,” Phys. Rev. Lett. 95(15), 153902 (2005).
[Crossref] [PubMed]

Zeidler, D.

J. Itatani, J. Levesque, D. Zeidler, H. Niikura, H. Pépin, J. C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Tomographic imaging of molecular orbitals,” Nature 432(7019), 867–871 (2004).
[Crossref] [PubMed]

Zhao, Z.

X. Zhou, X. Tong, Z. Zhao, and C. Lin, “Role of molecular orbital symmetry on the alignment dependence of high-order harmonic generation with molecules,” Phys. Rev. A 71(6), 061801 (2005).
[Crossref]

Zhou, X.

R. M. Lock, X. Zhou, W. Li, M. M. Murnane, and H. C. Kapteyn, “Measuring the intensity and phase of high-order harmonic emission from aligned molecules,” Chem. Phys. 366(1-3), 22–32 (2009).
[Crossref]

W. Li, X. Zhou, R. Lock, S. Patchkovskii, A. Stolow, H. C. Kapteyn, and M. M. Murnane, “Time-resolved dynamics in N2O4 probed using high harmonic generation,” Science 322(5905), 1207–1211 (2008).
[Crossref] [PubMed]

X. Zhou, X. Tong, Z. Zhao, and C. Lin, “Role of molecular orbital symmetry on the alignment dependence of high-order harmonic generation with molecules,” Phys. Rev. A 71(6), 061801 (2005).
[Crossref]

Zimmermann, B.

B. Zimmermann, M. Lein, and J. M. Rost, “Analysis of recombination in high-order harmonic generation in molecules,” Phys. Rev. A 71(3), 033401 (2005).
[Crossref]

Chem. Phys. (1)

R. M. Lock, X. Zhou, W. Li, M. M. Murnane, and H. C. Kapteyn, “Measuring the intensity and phase of high-order harmonic emission from aligned molecules,” Chem. Phys. 366(1-3), 22–32 (2009).
[Crossref]

J. Phys. At. Mol. Opt. Phys. (1)

M. Gühr, B. K. McFarland, J. P. Farrell, and P. H. Bucksbaum, “High harmonic generation for N2 and CO2 beyond the two-point model,” J. Phys. At. Mol. Opt. Phys. 40(18), 3745–3755 (2007).
[Crossref]

N. J. Phys. (1)

N. Kajumba, R. Torres, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. Procino, I. C. E. Turcu, and J. P. Marangos, “Measurement of electronic structure from high harmonic generation in non-adiabatically aligned polyatomic molecules,” N. J. Phys. 10(2), 025008 (2008).
[Crossref]

Nature (3)

J. Itatani, J. Levesque, D. Zeidler, H. Niikura, H. Pépin, J. C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Tomographic imaging of molecular orbitals,” Nature 432(7019), 867–871 (2004).
[Crossref] [PubMed]

T. Kanai, S. Minemoto, and H. Sakai, “Quantum interference during high-order harmonic generation from aligned molecules,” Nature 435(7041), 470–474 (2005).
[Crossref] [PubMed]

O. Smirnova, Y. Mairesse, S. Patchkovskii, N. Dudovich, D. Villeneuve, P. Corkum, and M. Yu. Ivanov, “High harmonic interferometry of multi-electron dynamics in molecules,” Nature 460(7258), 972–977 (2009).
[Crossref] [PubMed]

Phys. Chem. Chem. Phys. (1)

J. P. Marangos, S. Baker, N. Kajumba, J. S. Robinson, J. W. G. Tisch, and R. Torres, “Dynamic imaging of molecules using high order harmonic generation,” Phys. Chem. Chem. Phys. 10(1), 35–48 (2007).
[Crossref] [PubMed]

Phys. Rev. A (8)

M. Lewenstein, P. Balcou, M. Ivanov, A. L’Huillier, and P. Corkum, “Theory of high-harmonic generation by low-frequency laser fields,” Phys. Rev. A 49(3), 2117–2132 (1994).
[Crossref] [PubMed]

B. Shan and Z. Chang, “Dramatic extension of the high-order harmonic cutoff by using a long-wavelength driving field,” Phys. Rev. A 65(1), 011804 (2001).
[Crossref]

X. Zhou, X. Tong, Z. Zhao, and C. Lin, “Role of molecular orbital symmetry on the alignment dependence of high-order harmonic generation with molecules,” Phys. Rev. A 71(6), 061801 (2005).
[Crossref]

R. Nalda, E. Heesel, M. Lein, N. Hay, R. Velotta, E. Springate, M. Castillejo, and J. Marangos, “Role of orbital symmetry in high-order harmonic generation from aligned molecules,” Phys. Rev. A 69(3), 031804 (2004).
[Crossref]

B. Shan, S. Ghimire, and Z. Chang, “Effect of orbital symmetry on high-order harmonic generation from molecules,” Phys. Rev. A 69(2), 021404 (2004).
[Crossref]

O. Smirnova, M. Spanner, and M. Ivanov, “Analytical solutions for strong field-driven atomic and molecular one- and two-electron continua and applications to strong-field problems,” Phys. Rev. A 77(3), 033407 (2008).
[Crossref]

B. Zimmermann, M. Lein, and J. M. Rost, “Analysis of recombination in high-order harmonic generation in molecules,” Phys. Rev. A 71(3), 033401 (2005).
[Crossref]

R. Torres, R. de Nalda, and J. Marangos, “Dynamics of laser-induced molecular alignment in the impulsive and adiabatic regimes: A direct comparison,” Phys. Rev. A 72(2), 023420 (2005).
[Crossref]

Phys. Rev. Lett. (8)

R. Torres, N. Kajumba, J. G. Underwood, J. S. Robinson, S. Baker, J. W. G. Tisch, R. de Nalda, W. A. Bryan, R. Velotta, C. Altucci, I. C. E. Turcu, and J. P. Marangos, “Probing orbital structure of polyatomic molecules by high-order harmonic generation,” Phys. Rev. Lett. 98(20), 203007 (2007).
[Crossref] [PubMed]

M. Lein, N. Hay, R. Velotta, J. P. Marangos, and P. L. Knight, “Role of the intramolecular phase in high-harmonic generation,” Phys. Rev. Lett. 88(18), 183903 (2002).
[Crossref] [PubMed]

P. B. Corkum, “Plasma perspective on strong field multiphoton ionization,” Phys. Rev. Lett. 71(13), 1994–1997 (1993).
[Crossref] [PubMed]

O. Smirnova, S. Patchkovskii, Y. Mairesse, N. Dudovich, D. Villeneuve, P. Corkum, and M. Yu. Ivanov, “Attosecond circular dichroism spectroscopy of polyatomic molecules,” Phys. Rev. Lett. 102(6), 063601 (2009).
[Crossref] [PubMed]

J. Tate, T. Auguste, H. G. Muller, P. Salières, P. Agostini, and L. F. DiMauro, “Scaling of wave-packet dynamics in an intense midinfrared field,” Phys. Rev. Lett. 98(1), 013901 (2007).
[Crossref] [PubMed]

A. D. Shiner, C. Trallero-Herrero, N. Kajumba, H.-C. Bandulet, D. Comtois, F. Légaré, M. Giguère, J.-C. Kieffer, P. B. Corkum, and D. M. Villeneuve, “Wavelength scaling of high harmonic generation efficiency,” Phys. Rev. Lett. 103(7), 073902 (2009).
[Crossref] [PubMed]

C. Vozzi, F. Calegari, E. Benedetti, J.-P. Caumes, G. Sansone, S. Stagira, M. Nisoli, R. Torres, E. Heesel, N. Kajumba, J. P. Marangos, C. Altucci, and R. Velotta, “Controlling two-center interference in molecular high harmonic generation,” Phys. Rev. Lett. 95(15), 153902 (2005).
[Crossref] [PubMed]

S. Baker, J. S. Robinson, M. Lein, C. C. Chirilă, R. Torres, H. C. Bandulet, D. Comtois, J. C. Kieffer, D. M. Villeneuve, J. W. G. Tisch, and J. P. Marangos, “Dynamic two-center interference in high-order harmonic generation from molecules with attosecond nuclear motion,” Phys. Rev. Lett. 101(5), 053901 (2008).
[Crossref] [PubMed]

Proc. Natl. Acad. Sci. U.S.A. (1)

O. Smirnova, S. Patchkovskii, Y. Mairesse, N. Dudovich, and M. Yu. Ivanov, “Strong-field control and spectroscopy of attosecond electron-hole dynamics in molecules,” Proc. Natl. Acad. Sci. U.S.A. 106(39), 16556–16561 (2009).
[Crossref] [PubMed]

Rev. Mod. Phys. (1)

H. Stapelfeldt and T. Seideman, “Colloquium: Aligning molecules with strong laser pulses,” Rev. Mod. Phys. 75(2), 543–557 (2003).
[Crossref]

Science (2)

W. Li, X. Zhou, R. Lock, S. Patchkovskii, A. Stolow, H. C. Kapteyn, and M. M. Murnane, “Time-resolved dynamics in N2O4 probed using high harmonic generation,” Science 322(5905), 1207–1211 (2008).
[Crossref] [PubMed]

S. Baker, J. S. Robinson, C. A. Haworth, H. Teng, R. A. Smith, C. C. Chirilă, M. Lein, J. W. G. Tisch, and J. P. Marangos, “Probing proton dynamics in molecules on an attosecond time scale,” Science 312(5772), 424–427 (2006).
[Crossref] [PubMed]

Other (1)

R. Torres, T. Siegel, L. Brugnera, I. Procino, J. G. Underwood, C. Altucci, R. Velotta, E. Springate, C. Froud, I. C. E. Turcu, S. Patchkovskii, M. Yu. Ivanov, O. Smirnova, and J. P. Marangos, “Revealing molecular structure and dynamics through high harmonic generation driven by mid-IR fields,” (in preparation).

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Figures (4)

Fig. 1
Fig. 1 Experimental layout for high harmonic generation in aligned molecules.
Fig. 2
Fig. 2 Highest occupied molecular orbital (HOMO) of the molecules investigated, calculated by DFT using GAMESS-UK with the 3-21G basis set.
Fig. 3
Fig. 3 (Black) Harmonic spectra obtained from different unaligned molecular systems with 1300 nm, 40 fs pulses. N2: 1.7 × 1014 W/cm2; CO2: 1.4 × 1014 W/cm2; C2H2: 1.0 × 1014 W/cm2; N2O: 1.0 × 1014 W/cm2. (Red) Harmonic spectra obtained with 800 nm. N2: 2.1 × 1014 W/cm2; CO2: 2.1 × 1014 W/cm2; C2H2: 1.8 × 1014 W/cm2. The harmonic intensity has been offset for clarity.
Fig. 4
Fig. 4 Ratio of harmonic signal between aligned and unaligned samples of N2, CO2, C2H2, and N2O as a function of photon energy (harmonic order) and polarization angle Θ of the aligning pulse for a driving laser pulse at 1300 nm. The laser intensities are N2: 1.3 × 1014 W/cm2; CO2: 1.0 × 1014 W/cm2; C2H2: 1.1 × 1014 W/cm2; N2O: 1.0 × 1014 W/cm2. The red arrows mark the position of the interference minima. Notice the reversed angle scale in the N2 plot.

Tables (1)

Tables Icon

Table 1 Relevant parameters for the molecules investigated in this study.

Equations (1)

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n 2 λ deB = R cos θ,

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