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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 4 — Feb. 20, 2006
  • pp: 1368–1375

Cold atom guidance using a binary spatial light modulator

F. K. Fatemi and M. Bashkansky  »View Author Affiliations

Optics Express, Vol. 14, Issue 4, pp. 1368-1375 (2006)

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We have guided cold 85Rb atoms in a blue-detuned, high-order hollow laser beam generated by a binary spatial light modulator. The binary holograms written to the modulator produce smooth hollow laser beams with steep intensity walls that can be updated with a 1.6 kHz refresh rate. We analyze the guiding laser beams numerically and experimentally, and show that the atoms are exposed to an average intensity that is ~2% of the maximum intensity of the guide at a laser detuning of 1 GHz and 2 mW of optical power.

© 2006 Optical Society of America

OCIS Codes
(020.7010) Atomic and molecular physics : Laser trapping
(050.1970) Diffraction and gratings : Diffractive optics
(140.3300) Lasers and laser optics : Laser beam shaping

ToC Category:
Atomic and Molecular Physics

Original Manuscript: December 9, 2005
Revised Manuscript: January 30, 2006
Manuscript Accepted: February 5, 2006
Published: February 20, 2006

F. Fatemi and M. Bashkansky, "Cold atom guidance using a binary spatial light modulator," Opt. Express 14, 1368-1375 (2006)

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