Partially coherent beam propagation

被引：0
|
作者：
Tajalli, H [1 ]
Sahrai, M [1 ]
机构：
[1] Tabriz Univ, Ctr Appl Phys & Astron Res, Tabriz, Iran
来源：
SPECKLE METROLOGY 2003, PROCEEDINGS | 2003年 / 4933卷
关键词：
D O I：
10.1117/12.516670
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We investigate the propagation of a partially coherent beam produce by a plane source. By utilizing Helmholtz equation, the intensity of the source in plane z=0, and plane z are obtained. Then by considering new theoretical prediction on cross-spectral density function of the field in the plane z=0, the root-means square (rms) beam radius, as a function of distance z are calculated. The effects of the size and coherence of the source on beam directionality will be then discussed. In the special case when the beam is the Gaussian Schell-Model type, our results reduces to well known expression.
引用
收藏
页码：372 / 375
页数：4
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