Coherent and incoherent combinations of partially coherent beams beyond the paraxial approximation

被引：0
|
作者：
Li, Changjin [1 ,2 ]
Lue, Baida [1 ]
机构：
[1] Sichuan Univ, Inst Laser Phys & Chem, Chengdu 610064, Peoples R China
[2] Neijiang Normal Univ, Sch Phys & Elect Informat Engn, Neijiang 641112, Peoples R China
来源：
OPTICS AND LASER TECHNOLOGY | 2010年 / 42卷 / 02期
关键词：
Partially coherent beam beyond the paraxial approximation; Coherent and incoherent beam; HERMITE-GAUSSIAN-BEAMS; RADIAL LASER ARRAY; PROPAGATION; SUPERPOSITION;
D O I：
10.1016/j.optlastec.2009.08.011
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The concept of coherent and incoherent combinations of partially coherent beams is described and interpreted physically. Taking the Gaussian Schell-model (GSM) beam as a typical example of a partially coherent beam, the analytical propagation expressions for the coherent and incoherent combinations of GSM beams beyond the paraxial approximations are derived and illustrated numerically. Some special cases of the general results are analyzed. (C) 2009 Elsevier Ltd. All rights reserved.
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页码：419 / 427
页数：9
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