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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 9, Iss. 1 — Jan. 10, 2011
  • pp: 011402–

Production of annular flat-topped vortex beams

Jiannong Chen, Yongjiang Yu, and Feifei Wang  »View Author Affiliations


Chinese Optics Letters, Vol. 9, Issue 1, pp. 011402- (2011)


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Abstract

A model of an annular flat-topped vortex beam based on multi-Gaussian superimposition is proposed. We experimentally produce this beam with a computer-generated hologram (CGH) displayed on a spatial light modulator (SLM). The power of the beam is concentrated on a single-ring structure and has an extremely strong radial intensity gradient. This beam facilitates various applications ranging from Sisyphus atom cooling to micro-particle trapping.

© 2011 Chinese Optics Letters

OCIS Codes
(090.1760) Holography : Computer holography
(140.3300) Lasers and laser optics : Laser beam shaping
(140.3320) Lasers and laser optics : Laser cooling

Citation
Jiannong Chen, Yongjiang Yu, and Feifei Wang, "Production of annular flat-topped vortex beams," Chin. Opt. Lett. 9, 011402- (2011)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-9-1-011402

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