Evolution of phase singularities of vortex beams propagating in atmospheric turbulence

被引：30
|
作者：
Ge, Xiao-Lu [1 ,2 ]
Wang, Ben-Yi [1 ]
Guo, Cheng-Shan [1 ]
机构：
[1] Shandong Normal Univ, Coll Phys & Elect, Jinan 250014, Peoples R China
[2] Shandong Univ Technol, Sch Sci, Zibo 255049, Peoples R China
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 2015年 / 32卷 / 05期
基金：
中国国家自然科学基金;
关键词：
ORBITAL ANGULAR-MOMENTUM; TOPOLOGICAL CHARGE; OPTICAL VORTICES; STATISTICS; STATES; LIGHT;
D O I：
10.1364/JOSAA.32.000837
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Optical vortex beams propagating through atmospheric turbulence are studied by numerical modeling, and the phase singularities of the vortices existing in the turbulence-distorted beams are calculated. It is found that the algebraic sum of topological charges (TCs) of all the phase singularities existing in test aperture is approximately equal to the TC of the input vortex beam. This property provides us a possible approach for determining the TC of the vortex beam propagating through the atmospheric turbulence, which could have potential application in optical communication using optical vortices. (C) 2015 Optical Society of America
引用
收藏
页码：837 / 842
页数：6
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