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Updated: May 25, 2026

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
Published on: July 12, 2017
Compact high-power, TEM(00) acousto-optics Q-switched Nd:YVO4 oscillator pumped at 888 nm
Hailong Hong1, Lei Huang, Qiang Liu
1State Key Laboratory of Tribology, Center for Photonics and Electronics, Department of Precision Instruments, Tsinghua University, Beijing 100084, China.
Abstract:
A compact, high-power, high-repetition-rate Q-switched laser oscillator is presented in this paper. Adopting the acousto-optics Q-switching mechanism, the maximum output power of 57 W of 1064 nm fundamental wave at 200 kHz is obtained under 110 W 888 nm pumping. The stable working range extends from 30 to 250 kHz, while the beam quality factor M(2) is smaller than 1.30. Subsequently, based on the 42 W of fundamental wave with the beam quality better than 1.10, 29.5 W of 532 nm green laser and 18 W of 355 nm ultraviolet wave are achieved.
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