Asymmetrical prism for beam shaping of laser diode stacks

被引：12
|
作者：
Zeng, XD [1 ]
Cao, CQ [1 ]
An, YY [1 ]
机构：
[1] Xidian Univ, Sch Tech Phys, Xian 710071, Peoples R China
来源：
APPLIED OPTICS | 2005年 / 44卷 / 26期
关键词：
D O I：
10.1364/AO.44.005408
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A beam-shaping scheme for a laser diode stack to obtain a flattop output intensity profile is proposed. The shaping element consists of an asymmetrical glass prism. The large divergence-angle compression in the direction perpendicular to the junction plane and the small divergence-angle expansion in the parallel direction are performed simultaneously by a single shaping element. The transformation characteristics are presented, and the optimization performance is investigated based on the ray-tracing method. Analysis shows that a flattop intensity profile can be obtained. This beam-shaping system can be fabricated easily and has a large alignment tolerance. (c) 2005 Optical Society of America.
引用
收藏
页码：5408 / 5414
页数：7
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