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Proceedings Paper

High power far-infrared optical parametric oscillator with high beam quality
Author(s): Chuan-Peng Qian; Ying-Jie Shen; Tong-Yu Dai; Xiao-Ming Duan; Bao-Quan Yao
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Paper Abstract

A high power ZnGeP2 (ZGP) optical parametric oscillator (OPO) with good beam quality pumped by a Q-switched Ho:YAG laser was demonstrated. The maximum output power of the ZGP OPO with a four-mirror ring cavity was about 5.04 W around 8.1 μm with 83.9 W Ho incident pump power, corresponding to a slope efficiency of 9.2 %. The ZGP OPO produced 36.0 ns far-IR pulse laser in the 8.0-8.3 μm spectral regions. The beam quality was measured to be M2~1.6 at the highest output power.

Paper Details

Date Published: 9 November 2016
PDF: 7 pages
Proc. SPIE 10016, High-Power Lasers and Applications VIII, 100160G (9 November 2016); doi: 10.1117/12.2246001
Show Author Affiliations
Chuan-Peng Qian, Harbin Institute of Technology (China)
Ying-Jie Shen, Harbin Institute of Technology (China)
Tong-Yu Dai, Harbin Institute of Technology (China)
Xiao-Ming Duan, Harbin Institute of Technology (China)
Bao-Quan Yao, Harbin Institute of Technology (China)

Published in SPIE Proceedings Vol. 10016:
High-Power Lasers and Applications VIII
Ruxin Li; Upendra N. Singh; Robert F. Walter, Editor(s)

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