Abstract

We provide a correction to the values of n2,el reported in [Optica 1, 436 (2014) [CrossRef]  ].

© 2016 Optical Society of America

An analysis of experiments included the contribution of the fused silica cuvette, resulting in an overestimate of the reported n2,el for carbon disulfide (CS2) [1]. Here we give the corrected values for CS2 by subtracting the measured total nonlinear refraction contribution of the empty cuvette from the data with it filled. The value obtained for n2,el of the fused silica cuvette (two 1 mm-thick walls) agrees with the accepted literature value [2]. The result of this correction on the beam deflection measurement is a value of n2,el=(1.5±0.4)×1019  m2/W for CS2. We reproduce Figs. 46 with this correction and include the corrected Table 1. The data in Fig. 6(b) was corrected using the dispersion of n2,el of fused silica from [2]. The SOS model has also been re-fitted following Ref. [3], as shown in Fig. 6(b) and Table 2. While the model reproduces the trend, it underestimates n2,el by a factor of 2.4, which is most likely due to the neglect of higher-lying absorption bands.

 

Fig. 4. Comparison of Z-scan measurements using the Ti:sapphire (closed) and Nd:YAG laser system (open) at both 700 (black) and 1064 nm (green) and calculation using Eq. (17) (red curve) of n2,eff of CS2 versus pulse width. Shaded region represents errors in response function from Table 1.

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Fig. 5. Comparison of n2,efflin/n2,effcirc versus pulse width between Z-scan measurements with both Ti:sapphire (closed circles) and Nd:YAG (open circle) laser systems at 700 nm and calculated (red curve). The shaded region represents only relative errors that contribute to uncertainty. For long pulse widths, n2,efflin/n2,effcirc=3.5.

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Fig. 6. (b) Z-scan measurements of NLR (black circles) for femtosecond pulses with noninstantaneous component subtracted, and α2 (blue triangles). Curves represent the SOS model fit for 2PA (blue) and n2,el (black), which has been multiplied by a factor of 2.4.

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Tables Icon

Table 1. Fit Parameters of Third-Order Response of CS2a

Tables Icon

Table 2. Fit Parameters for SOS model of n2,el and α2 of CS2

Funding

Air Force Office of Scientific Research (AFOSR) (FA9550-10-1-0558); National Science Foundation (NSF) (ECCS-1202471, ECCS-1229563).

REFERENCES

1. M. Reichert, H. Hu, M. R. Ferdinandus, M. Seidel, P. Zhao, T. R. Ensley, D. Peceli, J. M. Reed, D. A. Fishman, S. Webster, D. J. Hagan, and E. W. Van Stryland, “Temporal, spectral, and polarization dependence of the nonlinear optical response of carbon disulfide,” Optica 1, 436–445 (2014). [CrossRef]  

2. D. Milam, “Review and assessment of measured values of the nonlinear refractive-index coefficient of fused silica,” Appl. Opt. 37, 546–550 (1998). [CrossRef]  

3. T. R. Ensley, H. Hu, M. Reichert, M. R. Ferdinandus, D. Peceli, J. M. Hales, J. W. Perry, Z. Li, S.-H. Jang, A. K.-Y. Jen, S. R. Marder, D. J. Hagan, and E. W. Van Stryland, “Quasi-three-level model applied to measured spectra of nonlinear absorption and refraction in organic molecules,” J. Opt. Soc. Am. B 33, 780–796 (2016). [CrossRef]  

References

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  1. M. Reichert, H. Hu, M. R. Ferdinandus, M. Seidel, P. Zhao, T. R. Ensley, D. Peceli, J. M. Reed, D. A. Fishman, S. Webster, D. J. Hagan, and E. W. Van Stryland, “Temporal, spectral, and polarization dependence of the nonlinear optical response of carbon disulfide,” Optica 1, 436–445 (2014).
    [Crossref]
  2. D. Milam, “Review and assessment of measured values of the nonlinear refractive-index coefficient of fused silica,” Appl. Opt. 37, 546–550 (1998).
    [Crossref]
  3. T. R. Ensley, H. Hu, M. Reichert, M. R. Ferdinandus, D. Peceli, J. M. Hales, J. W. Perry, Z. Li, S.-H. Jang, A. K.-Y. Jen, S. R. Marder, D. J. Hagan, and E. W. Van Stryland, “Quasi-three-level model applied to measured spectra of nonlinear absorption and refraction in organic molecules,” J. Opt. Soc. Am. B 33, 780–796 (2016).
    [Crossref]

2016 (1)

2014 (1)

1998 (1)

Ensley, T. R.

Ferdinandus, M. R.

Fishman, D. A.

Hagan, D. J.

Hales, J. M.

Hu, H.

Jang, S.-H.

Jen, A. K.-Y.

Li, Z.

Marder, S. R.

Milam, D.

Peceli, D.

Perry, J. W.

Reed, J. M.

Reichert, M.

Seidel, M.

Van Stryland, E. W.

Webster, S.

Zhao, P.

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Figures (3)

Fig. 4.
Fig. 4. Comparison of Z-scan measurements using the Ti:sapphire (closed) and Nd:YAG laser system (open) at both 700 (black) and 1064 nm (green) and calculation using Eq. (17) (red curve) of n 2 , eff of CS 2 versus pulse width. Shaded region represents errors in response function from Table 1.
Fig. 5.
Fig. 5. Comparison of n 2 , eff lin / n 2 , eff circ versus pulse width between Z-scan measurements with both Ti:sapphire (closed circles) and Nd:YAG (open circle) laser systems at 700 nm and calculated (red curve). The shaded region represents only relative errors that contribute to uncertainty. For long pulse widths, n 2 , eff lin / n 2 , eff circ = 3.5 .
Fig. 6.
Fig. 6. (b) Z-scan measurements of NLR (black circles) for femtosecond pulses with noninstantaneous component subtracted, and α 2 (blue triangles). Curves represent the SOS model fit for 2PA (blue) and n 2 , e l (black), which has been multiplied by a factor of 2.4.

Tables (2)

Tables Icon

Table 1. Fit Parameters of Third-Order Response of CS 2 a

Tables Icon

Table 2. Fit Parameters for SOS model of n 2 , e l and α 2 of CS 2

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