Propagation analysis of flattened circular Gaussian beams with a misaligned circular aperture in turbulent atmosphere

被引：14
|
作者：
Shen Xueju [1 ]
Wang Long [1 ]
Shen Hongbin [1 ]
Han Yudong [1 ]
机构：
[1] Shijiazhuang Mech Engn Coll, Shijiazhuang 050003, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2009年 / 282卷 / 24期
关键词：
Propagation of laser beam; Flattened Gaussian beam; Turbulent atmosphere; Circular aperture; Misaligned circular aperture; FLAT-TOPPED BEAMS; LASER-BEAMS; SCINTILLATION INDEX; PHASE FLUCTUATIONS; LIGHT-BEAMS;
D O I：
10.1016/j.optcom.2009.08.064
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The propagation properties of flattened Gaussian beam with a misaligned circular aperture in turbulent atmosphere have been studied by using the extended Huygens-Fresnel formula. From the study and numerical calculation, the effects of aperture parameters on the propagation properties of flattened Gaussian beams in turbulent atmosphere have been illuminated. The results show that angle misalignments and lateral displacements of aperture create unsymmetrical average intensity distribution at any cross section. The intensity distributions are much more sensitive to the lateral displacement than to the angle misalignments. And the propagation properties of different flattened Gaussian beams in turbulent atmosphere are also compared. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：4765 / 4770
页数：6
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