A new method of frequency-doubling with converging cavity

被引：0
|
作者：
Liu Dong [1 ]
Guo Jingwei [1 ]
Zhou Dongjian [1 ]
Jin Yuqi [1 ]
机构：
[1] Chinese Acad Sci, Dalian Inst Chem Phys, Key Lab Chem Lasers, Dalian 116023, Peoples R China
来源：
XX INTERNATIONAL SYMPOSIUM ON HIGH-POWER LASER SYSTEMS AND APPLICATIONS 2014 | 2015年 / 9255卷
关键词：
frequency-doubling; converging cavity; confocal unstable resonator; beam quality; conversion efficiency; MULTICRYSTAL; GENERATION;
D O I：
10.1117/12.2065464
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：
A converging cavity is introduced in the frequency-doubling experiment to increase the efficiency. In this experiment, an annular collimated laser beam produced by Nd:YAG laser with confocal resonator is introduced into the converging cavity as fundamental light. A BBO is positioned in the converging cavity. As propagating in the converging cavity, the fundamental beam profile becomes smaller and smaller. In the theory, the conversion efficiency could be approach 100%. Our experimental result shows that the conversion efficiency is improved significantly compared with the single pass configuration.
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页数：5
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