Spreading and direction of Gaussian-Schell model beam through a non-Kolmogorov turbulence

被引：128
|
作者：
Wu, Guohua [1 ]
Guo, Hong [2 ,3 ]
Yu, Song [4 ]
Luo, Bin [2 ,3 ]
机构：
[1] Beijing Univ Posts & Telecommun, Sch Elect Engn, Beijing 100876, Peoples R China
[2] Peking Univ, CREAM Grp, State Key Lab Adv Opt Commun Syst & Networks, Beijing 100871, Peoples R China
[3] Peking Univ, Inst Quantum Elect, Sch Elect Engn & Comp Sci, Beijing 100871, Peoples R China
[4] Beijing Univ Posts & Telecommun, Minist Educ, Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China
来源：
OPTICS LETTERS | 2010年 / 35卷 / 05期
基金：
美国国家科学基金会;
关键词：
ATMOSPHERIC-TURBULENCE; INTENSITY FLUCTUATIONS; OPTICAL COMMUNICATION;
D O I：
10.1364/OL.35.000715
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We show that the far-field beam spreading and direction of partially coherent Gaussian-Schell model (GSM) beams are independent on the spatial coherence of the source through non-Kolmogorov atmospheric turbulence, which has potential applications in long-distance free-space optical communication. The effects of spatial coherence, exponent value alpha, and inner scale and outer scale of atmospheric turbulence on beam spreading are studied in details. The GSM beam has greater spreading for smaller inner scale or bigger outer scale through non-Kolmogorov turbulent atmosphere. (C) 2010 Optical Society of America
引用
收藏
页码：715 / 717
页数：3
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