A model of the transverse modes of stable and unstable Porro-prism resonators using symmetry considerations

被引：0
|
作者：
Burger, Liesl [1 ,2 ]
Forbes, Andrew [1 ,2 ]
机构：
[1] CSIR, Natl Laser Ctr, POB 395, ZA-0001 Pretoria, South Africa
[2] Univ Kwazulu Natal, Sch Phys, ZA-4000 Durban, South Africa
来源：
LASER BEAM SHAPING VIII | 2007年 / 6663卷
关键词：
Porro prism; laser resonator; petal patterns;
D O I：
10.1117/12.734650
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A simple model of a Porro prism laser resonator has been found to correctly predict the formation of the "petal" mode patterns typical of these resonators. A geometrical analysis of the petals suggests that these petals are the lowest-order modes of this type of resonator. Further use of the model reveals the fori-nation of more complex beam patterns, and the nature of these patterns is investigated. Also, the output of stable and unstable resonator modes is presented.
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页数：8
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