Propagation of a partially coherent Lorentz-Gauss beam through a paraxial ABCD optical system

被引：28

作者：

Zhou, Guoquan ^{[1
]}

机构：

[1] Zhejiang Forestry Univ, Sch Sci, Linan 311300, Peoples R China

来源：

OPTICS EXPRESS | 2010年 / 18卷 / 05期

基金：

中国国家自然科学基金;

关键词：

VECTORIAL STRUCTURE; FAR-FIELD; MODEL;

D O I：

10.1364/OE.18.004637

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Based on the generalized Huygens-Fresnel integral and the Hermite-Gaussian expansion of a Lorentz distribution, analytical expressions for the mutual coherence function, the effective beam size, and the spatial complex degree of coherence of a partially coherent Lorentz-Gauss beam through a paraxial and real ABCD optical system are derived, respectively. As a numerical example, the focusing of a partially coherent Lorentz-Gauss beam is considered. The normalized intensity distribution, the effective beam size, and the spatial complex degree of coherence for the focused partially coherent Lorentz-Gauss beam are numerically demonstrated in the focal plane. The influence of the spatial coherence length on the normalized intensity distribution, the effective beam size, and the spatial complex degree of coherence is mainly discussed. (C) 2010 Optical Society of America

引用

页码：4637 / 4643

页数：7

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