• Chinese Optics Letters
  • Vol. 2, Issue 10, 10559 (2004)
Yixin Zhang1、2 and Chunkan Tao2、*
Author Affiliations
  • 1School of Science, Southern Yangtze University, Wuxi 214036
  • 2School of Electro-Optics, Nanjing University of Science and Technology, Nanjing 210014
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    Yixin Zhang, Chunkan Tao. Wavefront dislocations of Gaussian beams nesting optical vortices in a turbulent atmosphere[J]. Chinese Optics Letters, 2004, 2(10): 10559 Copy Citation Text show less

    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.
    Yixin Zhang, Chunkan Tao. Wavefront dislocations of Gaussian beams nesting optical vortices in a turbulent atmosphere[J]. Chinese Optics Letters, 2004, 2(10): 10559
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