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7 November 2018 Investigation of optical vortex propagation in the artificial atmospheric path
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The dynamics of propagation of an optical vortex through an artificial enclosed atmospheric path was examined. The method of generating optical beams with a nonzero orbital angular momentum using a liquid-crystal HoloEye LC-2002 light modulator was demonstrated, and various methods for detecting optical vortices were tested. The distance at which the structure of the vortex beam decays for the technically possible aperture of the receiving interference system was determined under the conditions of the stand. The results of experimental studies of beam size at different distances were presented. Calculations of the beam and the singularity of the optical vortex divergence angle are performed as a function of the length of the atmospheric path. The influence of the turbulent medium on the ability of the receiving system to register an optical vortex was also considered.
Conference Presentation
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ksenia Gavril'eva, Ali Mermoul, Alexander Sevruygin, Elena Shubenkova, Mohamed Touil, Ibrohim Tursunov, and Vladimir Venediktov "Investigation of optical vortex propagation in the artificial atmospheric path", Proc. SPIE 10787, Environmental Effects on Light Propagation and Adaptive Systems, 107870Q (7 November 2018);

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