Average intensity and spreading of an elliptical Gaussian beam propagating in a turbulent atmosphere

被引:109
作者
Cai, YJ
He, SL
机构
[1] Zhejiang Univ, Joint Res Ctr Photon, Royal Inst Technol, Hangzhou 310058, Peoples R China
[2] Royal Inst Technol, Alfven Lab, Div Electromagnet Theory, S-10044 Stockholm, Sweden
关键词
D O I
10.1364/OL.31.000568
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
An analytical formula for the average intensity of an elliptical Gaussian beam (EGB) propagating in a turbulent atmosphere is derived. The spreading properties of an EGB in a turbulent atmosphere are studied. It is found that an EGB will eventually become a circular Gaussian beam in a turbulent atmosphere. This interesting phenomenon is quite different from the propagation of an EGB in free space. The evolution properties are closely related to the parameters of the beam and the turbulent atmosphere. (c) 2006 Optical Society of America.
引用
收藏
页码:568 / 570
页数:3
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