The propagation of a flattened circular Gaussian beam through an optical system in turbulent atmosphere

被引：17
|
作者：
Chu, X. X. [1 ,2 ,3 ]
Liu, Z. J. [2 ]
Wu, Y. [3 ]
机构：
[1] Zhejiang Forestry Univ, Coll Sci, Linan 311300, Peoples R China
[2] Natl Univ Def Technol, Coll Optoelectron Sci & Engn, Changsha 410073, Peoples R China
[3] Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Hefei 230031, Peoples R China
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2008年 / 92卷 / 01期
关键词：
D O I：
10.1007/s00340-008-3049-8
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Based on the Huygens-Fresnel integral, the properties of a circular flattened Gaussian beam through a stigmatic optical system in turbulent atmosphere are investigated. Analytical formulas for the average intensity are derived. As elementary examples, the average intensity distributions of a collimated circular flattened Gaussian beam and a focused circular flattened Gaussian beam through a simple optical system are studied. To see the effects of the optical system on the propagation, the average intensity distributions of the beam for direct propagation are also studied. From the analysis, comparison and numerical calculation we can see that there are many differences between the two propagations. These differences are due to the geometrical magnification of the optical system, different diffraction and different turbulence-induced spreading. Namely, an optical system not only affects the diffraction but also affects the turbulence-induced spreading.
引用
收藏
页码：119 / 122
页数：4
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