An alternative model for a partially coherent elliptical dark hollow beam

被引:16
作者
Li, Xu [1 ]
Wang, Fei [1 ]
Cai, Yangjian [1 ]
机构
[1] Soochow Univ, Sch Phys Sci & Technol, Suzhou 215006, Peoples R China
基金
中国国家自然科学基金;
关键词
Partially coherent dark hollow beam; Propagation; Optical system; GAUSSIAN BEAMS; NONPARAXIAL PROPAGATION; GENERATION; SCINTILLATION; M-2-FACTOR;
D O I
10.1016/j.optlastec.2010.08.004
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
An alternative theoretical model named partially coherent hollow elliptical Gaussian beam (HEGB) is proposed to describe a partially coherent beam with an elliptical dark hollow profile Explicit expression for the propagation factors of a partially coherent HEGB is derived Based on the generalized Collins formula analytical formulae for the cross-spectral density and mean-squared beam width of a partially coherent HEGB propagating through a paraxial ABCD optical system are derived Propagation properties of a partially coherent HEGB in free space are studied as a numerical example (C) 2010 Elsevier Ltd All rights reserved
引用
收藏
页码:577 / 585
页数:9
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