Average intensity and spreading of a Lorentz-Gauss beam in turbulent atmosphere

被引：44
|
作者：
Zhou, Guoquan [1 ]
Chu, Xiuxiang [1 ]
机构：
[1] Zhejiang Forestry Univ, Sch Sci, Linan 311300, Peoples R China
来源：
OPTICS EXPRESS | 2010年 / 18卷 / 02期
基金：
中国国家自然科学基金;
关键词：
STOCHASTIC ELECTROMAGNETIC BEAMS; VECTORIAL STRUCTURE; LASER-BEAMS; FAR-FIELD; PROPAGATION; MODEL;
D O I：
10.1364/OE.18.000726
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The propagation of a Lorentz-Gauss beam in turbulent atmosphere is investigated. Based on the extended Huygens-Fresnel integral and the Hermite-Gaussian expansion of a Lorentz function, analytical formulae for the average intensity and the effective beam size of a Lorentz-Gauss beam are derived in turbulent atmosphere. The average intensity distribution and the spreading properties of a Lorentz-Gauss beam in turbulent atmosphere are numerically demonstrated. The influences of the beam parameters and the structure constant of the atmospheric turbulence on the propagation of a Lorentz-Gauss beam in turbulent atmosphere are also discussed in detail. (C)2010 Optical Society of America
引用
收藏
页码：726 / 731
页数：6
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