Decentered elliptical Gaussian beam

被引:40
作者
Cai, YJ [1 ]
Lin, Q
机构
[1] Zhejiang Univ, Inst Opt, Hangzhou 310028, Peoples R China
[2] Zhejiang Univ, State Key Lab Modern Opt Instrumentat, Hangzhou 310028, Peoples R China
关键词
D O I
10.1364/AO.41.004336
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A new kind of laser beam, called a decentered elliptical Gaussian beam (DEGB), is defined by a tensor method. The propagation formula for a DEGB passing through an axially nonsymmetrical paraxial optical system is derived through vector integration. The derived formula can be reduced to the formula for a fundamental elliptical Gaussian beam and a decentered Gaussian beam under certain conditions. As an example application of the derived formula, the propagation characteristics of a DEGB in free space are calculated and discussed. As another example we study the properties of a generalized laser beam array constructed by use of a DEGB as the fundamental mode. (C) 2002 Optical Society of America.
引用
收藏
页码:4336 / 4340
页数:5
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