Intensity and average orbital angular momentum of partially coherent flat-topped vortex beam in slant atmospheric turbulence

Ya-qing Li; Li-guo Wang

doi:10.1117/12.2286216

15 November 2017 Intensity and average orbital angular momentum of partially coherent flat-topped vortex beam in slant atmospheric turbulence

Ya-qing Li, Li-guo Wang

Author Affiliations +

Proceedings Volume 10605, LIDAR Imaging Detection and Target Recognition 2017; 1060504 (2017) https://doi.org/10.1117/12.2286216
Event: LIDAR Imaging Detection and Target Recognition 2017, 2017, Changchun, China

Abstract

On the basis of the extended Huygens-Fresnel principle and the cross-spectral density function (CSDF), the intensity and average orbital angular momentum (OAM) of the partially coherent flat-topped vortex beams in the slant atmospheric turbulence are presented. The effects of the order, topological charge, waist radius, and propagation distance of the beam on the intensity and average OAM are discussed. Results obtained show that the intensity of the partially coherent flat-topped vortex beam is changed due to the variations of the propagation distance, waist radius, topological charge and beam order, the average OAM is constant during the beam propagation in the atmospheric turbulence and related only to the waist radius and beam order. Results obtained by this paper may serve as theory bases for future applications in the atmospheric optical communication.

Citation Download Citation

Ya-qing Li and Li-guo Wang "Intensity and average orbital angular momentum of partially coherent flat-topped vortex beam in slant atmospheric turbulence", Proc. SPIE 10605, LIDAR Imaging Detection and Target Recognition 2017, 1060504 (15 November 2017); https://doi.org/10.1117/12.2286216

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