Abstract

A Magneto-Optical Trap (MOT) for <TEX>$^{87}Rb$</TEX> atoms near the surface of a dielectric coated mirror at the top of a small <TEX>$20{\times}25{\times}40\;mm^3$</TEX> cell has been observed. Two beams of <TEX>$3.3\;mW/cm^2$</TEX> were used for optical cooling and an anti-Helmholtz magnetic field with a spatial gradient of 9.1 G/cm was used for magnetic trapping. The thickness of the mirror coated on a cover glass was less than <TEX>$100{\mu}m$</TEX>. The mirror covered the top of a cell and the atom-chip was located outside the vacuum in order to exploit the long life time of the mirror and easy operation of the chip. The trapping position was found 5 mm beneath the mirror surface. The number of trapped atoms was roughly <TEX>$3{\times}10^7$</TEX> atoms and the temperature was approximately a few tens mK. In this paper, we describe the construction of the mirror-MOT in detail.

© 2009 Optical Society of Korea

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  1. A. Einstein, "Strahlungs-emission und-absorption nach der quantentheorie," Deutsche Physikalische Gesellschaft 18, 318-323 (1916)
  2. A. Einstein, "Quantentheorie des einaomigen idealen gasses," Sitzungsber. Kgl. Preuss. Akad. Wiss. 261-267 (1924)
  3. E. L. Raab, M. Prentiss, A. Cable, S. Chu, and D. E. Prichard, "Trapping of neutral sodium atoms with radiation pressure," Phys. Rev. Lett. 59, 2631-2634 (1987)
    [Crossref]
  4. M. H. Anderson, J. R. Ensher, M. R. Matthews, C. E. Wieman, and E. A. Cornell, "Observation of Bose- Einstein condensation in a dilute atomic vapor," Science 269, 198-201 (1995)
    [Crossref]
  5. K. B. Davis, M. O. Mewes, M. R. Andrews, N. J. van Druten, D. S. Durfee, D. M. Kurn, and W. Ketterle, "Bose-Einstein condensation in a gas of sodium atoms," Phys. Rev. Lett. 75, 3969-3973 (1995)
    [Crossref]
  6. W. Hansel, P. Hommelhoff, T. W. Hansch, and J. Reichel, "Bose-Einstein condensation on a microelectronic chip," Nature 413, 498-501 (2001)
    [Crossref]
  7. H. Ott, J. Fortagh, G. Schlotterbeck, A. Grossmann, and C. Zimmermann, "Bose-Einstein condensation in a surface microtrap," Phys. Rev. Lett. 87, 230401-230404 (2001)
    [Crossref]
  8. S. Du, "Atom-chip Bose-Einstein condensation in a portable vacuum cell," JILA Ph. D. thesis (2005)
  9. P. D. Schwindt, "Magnetic traps and guides for Bose-Einstein condensates on an atom chip-progress toward a coherent atom waveguide beamsplitter," JILA Ph.D.thesis (2003).
  10. M. A. Clifford, G. P. T. Lancaster, R. H. Mitchell, F. Akerboom and K. Dholakia, "Realization of a mirror magneto optical trap," J. Mod. Opt. 48, 1123-1128 (2001)
  11. S. Schneider, A. Kasper, C. V. Hagen, M. Bartenstein, B. Engeser, T. Schumm, I. N. Joseph, R. Folman, L. Feenstra, and J. Schmiedmayer, "Bose-Einstein in a simple microtrap," Phys. Rev. A 67, 023612-023615 (2003)
    [Crossref]
  12. J. Reichel, "Microchip traps and BEC," Appl. Phys. B 75, 469-487 (2002)
    [Crossref]

2005 (2)

S. Du, "Atom-chip Bose-Einstein condensation in a portable vacuum cell," JILA Ph. D. thesis (2005)

P. D. Schwindt, "Magnetic traps and guides for Bose-Einstein condensates on an atom chip-progress toward a coherent atom waveguide beamsplitter," JILA Ph.D.thesis (2003).

2003 (1)

S. Schneider, A. Kasper, C. V. Hagen, M. Bartenstein, B. Engeser, T. Schumm, I. N. Joseph, R. Folman, L. Feenstra, and J. Schmiedmayer, "Bose-Einstein in a simple microtrap," Phys. Rev. A 67, 023612-023615 (2003)
[Crossref]

2002 (1)

J. Reichel, "Microchip traps and BEC," Appl. Phys. B 75, 469-487 (2002)
[Crossref]

2001 (3)

M. A. Clifford, G. P. T. Lancaster, R. H. Mitchell, F. Akerboom and K. Dholakia, "Realization of a mirror magneto optical trap," J. Mod. Opt. 48, 1123-1128 (2001)

W. Hansel, P. Hommelhoff, T. W. Hansch, and J. Reichel, "Bose-Einstein condensation on a microelectronic chip," Nature 413, 498-501 (2001)
[Crossref]

H. Ott, J. Fortagh, G. Schlotterbeck, A. Grossmann, and C. Zimmermann, "Bose-Einstein condensation in a surface microtrap," Phys. Rev. Lett. 87, 230401-230404 (2001)
[Crossref]

1995 (2)

M. H. Anderson, J. R. Ensher, M. R. Matthews, C. E. Wieman, and E. A. Cornell, "Observation of Bose- Einstein condensation in a dilute atomic vapor," Science 269, 198-201 (1995)
[Crossref]

K. B. Davis, M. O. Mewes, M. R. Andrews, N. J. van Druten, D. S. Durfee, D. M. Kurn, and W. Ketterle, "Bose-Einstein condensation in a gas of sodium atoms," Phys. Rev. Lett. 75, 3969-3973 (1995)
[Crossref]

1987 (1)

E. L. Raab, M. Prentiss, A. Cable, S. Chu, and D. E. Prichard, "Trapping of neutral sodium atoms with radiation pressure," Phys. Rev. Lett. 59, 2631-2634 (1987)
[Crossref]

1924 (1)

A. Einstein, "Quantentheorie des einaomigen idealen gasses," Sitzungsber. Kgl. Preuss. Akad. Wiss. 261-267 (1924)

1916 (1)

A. Einstein, "Strahlungs-emission und-absorption nach der quantentheorie," Deutsche Physikalische Gesellschaft 18, 318-323 (1916)

Applied Physics B: Lasers and Optics (1)

J. Reichel, "Microchip traps and BEC," Appl. Phys. B 75, 469-487 (2002)
[Crossref]

Deutsche Physikalische Gesellschaft (1)

A. Einstein, "Strahlungs-emission und-absorption nach der quantentheorie," Deutsche Physikalische Gesellschaft 18, 318-323 (1916)

J. Mod. Opt. (1)

M. A. Clifford, G. P. T. Lancaster, R. H. Mitchell, F. Akerboom and K. Dholakia, "Realization of a mirror magneto optical trap," J. Mod. Opt. 48, 1123-1128 (2001)

Nature (1)

W. Hansel, P. Hommelhoff, T. W. Hansch, and J. Reichel, "Bose-Einstein condensation on a microelectronic chip," Nature 413, 498-501 (2001)
[Crossref]

Phys. Rev. A (1)

S. Schneider, A. Kasper, C. V. Hagen, M. Bartenstein, B. Engeser, T. Schumm, I. N. Joseph, R. Folman, L. Feenstra, and J. Schmiedmayer, "Bose-Einstein in a simple microtrap," Phys. Rev. A 67, 023612-023615 (2003)
[Crossref]

Phys. Rev. Lett. (3)

K. B. Davis, M. O. Mewes, M. R. Andrews, N. J. van Druten, D. S. Durfee, D. M. Kurn, and W. Ketterle, "Bose-Einstein condensation in a gas of sodium atoms," Phys. Rev. Lett. 75, 3969-3973 (1995)
[Crossref]

H. Ott, J. Fortagh, G. Schlotterbeck, A. Grossmann, and C. Zimmermann, "Bose-Einstein condensation in a surface microtrap," Phys. Rev. Lett. 87, 230401-230404 (2001)
[Crossref]

E. L. Raab, M. Prentiss, A. Cable, S. Chu, and D. E. Prichard, "Trapping of neutral sodium atoms with radiation pressure," Phys. Rev. Lett. 59, 2631-2634 (1987)
[Crossref]

Science (1)

M. H. Anderson, J. R. Ensher, M. R. Matthews, C. E. Wieman, and E. A. Cornell, "Observation of Bose- Einstein condensation in a dilute atomic vapor," Science 269, 198-201 (1995)
[Crossref]

Other (3)

A. Einstein, "Quantentheorie des einaomigen idealen gasses," Sitzungsber. Kgl. Preuss. Akad. Wiss. 261-267 (1924)

S. Du, "Atom-chip Bose-Einstein condensation in a portable vacuum cell," JILA Ph. D. thesis (2005)

P. D. Schwindt, "Magnetic traps and guides for Bose-Einstein condensates on an atom chip-progress toward a coherent atom waveguide beamsplitter," JILA Ph.D.thesis (2003).

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