钬
放大器
光学
材料科学
激光器
光学参量振荡器
红外线的
光放大器
激光束质量
锗
光电子学
物理
激光束
硅
CMOS芯片
作者
Chuanpeng Qian,Fan Yang,Junqi Sun,Jing Liu,Ting Yu,Xiangchun Shi,Xisheng Ye
标识
DOI:10.1109/jlt.2023.3329743
摘要
We developed a mid-infrared ZnGeP 2 (ZGP) master oscillator power amplifier (MOPA) system with an output energy of 52 mJ, operating at a 2 kHz repetition rate. The system utilizes a 2097-nm electro-optical Q-switched two-stage holmium:yttrium-aluminum-garnet MOPA laser source with a total maximum output power of 222 W. Due to transmission and depolarization losses, the incident pump power delivered to the ZGP optical parametric oscillator and optical parametric amplifier is 65.8 W and 132.9 W, respectively. We achieved a maximum average output power of 103.9 W in the 3–5 μm range with an optical conversion efficiency of 52.3%. This corresponds to beam quality factors of 10.3 and 8.6 in the horizontal and vertical directions, respectively.
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