Paraxial propagation of partially coherent Hermite-Gauss beams

被引：42
|
作者：
Qiu, YL
Guo, H [1 ]
Chen, ZX
机构：
[1] Peking Univ, Sch Elect Engn & Comp Sci, Key Lab Quantum Informat & Measurements, Minist Educ,LP01 Grp, Beijing 100871, Peoples R China
[2] Guangdong Polytech Normal Univ, Dept Elect Informat Engn, Guangzhou 510665, Peoples R China
[3] S China Normal Univ, Inst Quantum Elect, Guangzhou 510631, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2005年 / 245卷 / 1-6期
基金：
中国国家自然科学基金;
关键词：
partially coherent beam; mode order; beam quality;
D O I：
10.1016/j.optcom.2004.10.032
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The paraxial propagation of partially coherent beams with the Hermite-Gauss modes is investigated. A more generalized and simple expression of the mean-squared width and the beam propagation ratio (M-2) of the beam with different mode order is obtained in terms of the cross-spectral density. Our results show that the higher order strengthens the variations of the mean-squared width and the beam propagation ratio for partially coherent beams, and the relation between the two parameters of partially coherent beams is independent of the coherence length. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：21 / 26
页数：6
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