2026-10-13T20:22:15Z https://www.scidb.cn/oai

10.57760/sciencedb.44307 2026-07-28T16:56:43Z

2026-07-28 30.2 W, 10.07 mJ long-wave infrared ZnGeP₂ laser pumped by high-performance Ho:YAG MOPA source doi:10.57760/sciencedb.44307 en  An average output power of 30.2 W ZnGeP2 (ZGP) optical parametric oscillator (OPO) and three -stage amplifier system was experimentally achieved with central wavelength at 7.6 μm and pulse repetition frequency of 3 kHz. A home-made Ho:YAG master oscillator power amplifier (MOPA) was served as pump source, which could supply more than 600 W power. And at highest output power of 30.2W, beam quality M2, the pulse width (full width of half maximum, FWHM), and single pulse energy were 3.3, 28.4 ns and 10.07 mJ, respectively. It is the first time to report a nonlinear optical frequency converter based on the ZGP MOPA structure with average power exceeding 30 W, providing a reference for the development of high-brightness long-wave infrared (LWIR) laser sources. long-wave infrared laser; ZGP OPO and OPA; high-power 2.1-um laser Wenfang Lin Chuanpeng Qian Ke Yang Xisheng Ye RESTRICTED dataset Science Data Bank