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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 7, Iss. 12 — Dec. 1, 2009
  • pp: 1142–1145

Generation and motion control of optical multi-vortex

Xuetao Gan, Jianlin Zhao, Sheng Liu, and Liang Fang  »View Author Affiliations


Chinese Optics Letters, Vol. 7, Issue 12, pp. 1142-1145 (2009)


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Abstract

The generation and propagation dynamics of multiple optical vortices hosted in a Gaussian beam are experimentally demonstrated by use of the computer-generated holography. Fluid-like motions of the multi-vortex beam are observed owing to the helical phase structure. The multi-vortex beam with identical topological charge presents rotation, which can be suppressed by changing the sign of the topological charge alternately. In addition, the transverse motion control of the multi-vortex is proved by inserting an additional vortex. Finally, rotary and stationary vortex lattices with different periodic arrays are experimentally constructed. The results exhibit potential applications in inducing twisted or stable waveguide arrays and new types of optical traps.

© 2009 Chinese Optics Letters

OCIS Codes
(090.1760) Holography : Computer holography
(050.4865) Diffraction and gratings : Optical vortices
(260.6042) Physical optics : Singular optics

Citation
Xuetao Gan, Jianlin Zhao, Sheng Liu, and Liang Fang, "Generation and motion control of optical multi-vortex," Chin. Opt. Lett. 7, 1142-1145 (2009)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-7-12-1142

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