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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 2, Iss. 10 — Oct. 10, 2004
  • pp: 559–561

Wavefront dislocations of Gaussian beams nesting optical vortices in a turbulent atmosphere

Yixin Zhang and Chunkan Tao  »View Author Affiliations


Chinese Optics Letters, Vol. 2, Issue 10, pp. 559-561 (2004)


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Abstract

A phase singularity of the light field created by interference of two Gaussian singular beams which propagate in a weak and near ground turbulent atmosphere is analyzed by the Rytov approximation and the short-term averaging method of the dislocation-position. We demonstrate that an edge or circular dislocation may be formed by both parallel and coaxial or noncoaxial collimated beams with different or equal beam-width interfere. The edge or circular short-term wavefront dislocations of super position field depend on the atmospheric turbulence strength, beam propagation distance, amplitude ratio, dislocation of nesting vortices, and beam-width or beam-width ratio of the individual beams.

© 2005 Chinese Optics Letters

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(010.1290) Atmospheric and oceanic optics : Atmospheric optics
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(350.5030) Other areas of optics : Phase

Citation
Yixin Zhang and Chunkan Tao, "Wavefront dislocations of Gaussian beams nesting optical vortices in a turbulent atmosphere," Chin. Opt. Lett. 2, 559-561 (2004)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-2-10-559

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