Light beams with elliptical flat-topped profiles

被引：63
|
作者：
Cai, YJ [1 ]
Lin, Q
机构：
[1] Zhejiang Univ, Inst Opt, Hangzhou 310027, Peoples R China
[2] Zhejiang Univ, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Peoples R China
来源：
JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS | 2004年 / 6卷 / 04期
关键词：
elliptical flat-topped light beam; optical system; propagation properties;
D O I：
10.1088/1464-4258/6/4/015
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Light beams with elliptical flat-topped profiles are proposed. Such a beam can be expressed as a finite series of elliptical Gaussian beams with different parameters. Analytical propagation formulae for elliptical flat-topped beams passing through aligned and misaligned optical systems are derived. The fractional Fourier transform of the elliptical flat-topped beam is also studied. Our method provides a convenient way to describe the elliptical flat-topped beam and treat its propagation and transformation.
引用
收藏
页码：390 / 395
页数：6
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