Three-mirror resonator with aspheric feedback mirror for laser spatial mode selection and mode shaping

被引：3
|
作者：
Yang, ZH [1 ]
Leger, JR
Shchegrov, AV
机构：
[1] Univ Minnesota, Dept Elect & Comp Engn, Minneapolis, MN 55455 USA
[2] Novalux Inc, Sunnyvale, CA 94085 USA
来源：
IEEE JOURNAL OF QUANTUM ELECTRONICS | 2004年 / 40卷 / 09期
关键词：
coupled mode analysis; diffractive optics; laser beam shaping; laser modes; laser resonators; mode discrimination; optical feedback; optical phase conjugation; solid-state lasers;
D O I：
10.1109/jqe.2004.833231
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The spatial-mode characteristics are studied for a three-mirror resonator consisting of a diffractive aspheric third mirror aligned collinearly with a standing-wave two-mirror resonator. Simulations predict that enhanced spatial-mode selection and mode shaping can be achieved by this three-mirror cavity. A three-mirror Nd:YVO4 solid-state laser with an optimized aspheric third mirror has been designed and implemented to oscillate in a designed fundamental Gaussian mode. The modal discrimination was measured to be 1.43 and the propagation factor M-2 was 1.02.
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页码：1258 / 1269
页数：12
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