Far-field intensity distribution and M2 factor of hollow Gaussian beams

被引：67

作者：

Deng, DG ^{[1
]}

Fu, XY

Wei, CY

Shao, JD

Fan, ZX

机构：

[1] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

[2] Acad Sinica, Shanghai Inst Opt & Fine Mech, R&D Ctr Opt Thin Film Coatings, Shanghai 201800, Peoples R China

来源：

APPLIED OPTICS | 2005年 / 44卷 / 33期

关键词：

D O I：

10.1364/AO.44.007187

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The far-field intensity distribution of hollow Gaussian beams was investigated based on scalar diffraction theory. An analytical expression of the M-2 factor of the beams was derived on the basis of the second-order moments. Moreover, numerical examples to illustrate our analytical results are given. (c) 2005 Optical Society of America.

引用

页码：7187 / 7190

页数：4

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