Propagation of a phase-locked circular dark hollow beams array in a turbulent atmosphere

被引：13
|
作者：
Zhou, Pu [1 ]
Wang, Xiaolin [1 ]
Ma, Yanxing [1 ]
Ma, Haotong [1 ]
Xu, Xiaojun [1 ]
Liu, Zejin [1 ]
机构：
[1] Natl Univ Def Technol, Coll Optoelect Sci & Engn, Changsha 410073, Hunan, Peoples R China
来源：
OPTICS AND LASER TECHNOLOGY | 2010年 / 42卷 / 07期
关键词：
Phase-locked beam array; Dark hollow beam; Propagation; GAUSSIAN LASER-BEAMS; ANGULAR SPREAD; SYSTEM; INTENSITY;
D O I：
10.1016/j.optlastec.2010.02.003
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The propagation of phase-locked circular dark hollow beams array in a turbulent atmosphere is studied. An analytical expression for the average intensity distribution at the receiving plane is obtained based on the extended Huygens-Fresnel principle. The effects of turbulence, dark parameter and beam order of the beams array on the intensity pattern are studied and analyzed. It is found that the intensity pattern of the phase-locked circular dark hollow beams array will evolve from a multiple-spot-pattern into a Gaussian beam spot under the isotropic influence of the turbulence. The intensity pattern of beam array with a larger dark parameter and beam order evolves into the Gaussian-shape faster with increasing propagation distance. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1112 / 1117
页数：6
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