High Power Laser Science and Engineering, 2020, 8 (2): 02000e12, Published Online: Apr. 21, 2020  

High-power long-wave infrared laser based on polarization beam coupling technique Download: 527次

Author Affiliations
1 School of Opto-electronic Information Science and Technology, Yantai University, Yantai264005, China
2 Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai201800, China
3 National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin150001, China
Abstract
We demonstrated a high-power long-wave infrared laser based on a polarization beam coupling technique. An average output power at $8.3~\unicode[STIX]{x03BC}\text{m}$ of 7.0 W was achieved at a maximum available pump power of 107.6 W, corresponding to an optical-to-optical conversion of 6.5%. The coupling efficiency of the polarization coupling system was calculated to be approximately 97.2%. With idler single resonance operation, a good beam quality factor of ${\sim}1.8$ combined with an output wavelength of $8.3~\unicode[STIX]{x03BC}\text{m}$ was obtained at the maximum output power.

Yingjie Shen, Chuanpeng Qian, Xiaoming Duan, Ruijun Lan. High-power long-wave infrared laser based on polarization beam coupling technique[J]. High Power Laser Science and Engineering, 2020, 8(2): 02000e12.

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