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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 3 — Feb. 4, 2008
  • pp: 1405–1412

Versatile two-dimensional potentials for ultra-cold atoms

S. K. Schnelle, E. D. van Ooijen, M. J. Davis, N. R. Heckenberg, and H. Rubinsztein-Dunlop  »View Author Affiliations


Optics Express, Vol. 16, Issue 3, pp. 1405-1412 (2008)
http://dx.doi.org/10.1364/OE.16.001405


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Abstract

We propose and investigate a technique for generating smooth two-dimensional potentials for ultra-cold atoms based on the rapid scanning of a far-detuned laser beam using a two-dimensional acousto-optical modulator (AOM). We demonstrate the implementation of a feed-forward mechanism for fast and accurate control of the spatial intensity of the laser beam, resulting in improved homogeneity for the atom trap. This technique could be used to generate a smooth toroidal trap that would be useful for static and dynamic experiments on superfluidity and persistent currents with ultra-cold atoms.

© 2008 Optical Society of America

OCIS Codes
(020.7010) Atomic and molecular physics : Laser trapping
(140.3320) Lasers and laser optics : Laser cooling
(230.6120) Optical devices : Spatial light modulators

ToC Category:
Trapping

History
Original Manuscript: December 12, 2007
Revised Manuscript: January 16, 2008
Manuscript Accepted: January 16, 2008
Published: January 18, 2008

Citation
S. K. Schnelle, E. D. van Ooijen, M. J. Davis, N. R. Heckenberg, and H. Rubinsztein-Dunlop, "Versatile two-dimensional potentials for ultra-cold atoms," Opt. Express 16, 1405-1412 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-3-1405


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