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Propagation Properties of Partially Coherent Hollow Gaussian Beams in Atmospheric Turbulence

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3 Author(s)
Yangli Ai ; Dept. of Phys., Civil Aviation Flight Univ. of China, Guanghan, China ; Youquan Dan ; Tianfu Jiang

The analytical expressions for the spatial and angular widths and the beam propagation factor (M2 factor) of partially coherent hollow Gaussian beams (HGBs) propagating through atmospheric turbulence have been derived. It has been shown that the angular width for partially coherent HGBs in turbulence is independent of the beam order and is equal to that of a Gaussian-Schell Model (GSM) beam. The M2 factor of partially coherent HGBs in turbulence depends on the waist width and increases with increasing beam order, propagation distance, and refractive index structure constant, and with decreasing coherent parameter and wavelength. Our results are also illustrated by typical numerical examples.

Published in:

Photonics and Optoelectronics (SOPO), 2011 Symposium on

Date of Conference:

16-18 May 2011