Hollow Gaussian Schell-model beam and its propagation

被引：12
|
作者：
Wang, Li-Gang [1 ,2 ]
Wang, Li-Qin [1 ]
机构：
[1] Zhejiang Univ, Dept Phys, Hangzhou 310027, Peoples R China
[2] Chinese Univ Hong Kong, Dept Phys, Shatin, Hong Kong, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2008年 / 281卷 / 06期
基金：
中国国家自然科学基金;
关键词：
partially coherent beams; Schell-model sources; dark hollow beams; propagation;
D O I：
10.1016/j.optcom.2007.11.018
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, we present a new model, hollow Gaussian Schell-model beams (HGSMBs), to describe the practical dark hollow beams. An analytical propagation formula for HGSMBs passing through a paraxial first-order optical system is derived based on the theory of coherence. Based on the derived formula, an application example showing the influence of spatial coherence on the propagation of beams is illustrated. It is found that the beam propagating properties of HGSMBs will be greatly affected by their spatial coherence. Our model provides a very convenient way for analyzing the propagation properties of partially coherent dark hollow beams. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：1337 / 1342
页数：6
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