An acousto-optic Q-switched 1064 nm quasi-continuous laser with a LD end-pumped Nd∶YVO4 crystal is reported.A LBO crystal and a BBO crystal are respectively used in the cavity for intracavity frequency doubling and extracavity frequency quadrupling.A 266 nm ultraviolet laser output with a pulse width of 22 ns,a repetition of 20 kHz and an average power of 1.12 W is obtained.And the optical-optical efficiency is 21.37%.
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赵书云,肖磊,王旭,张弛,刘磊.实用化266 nm紫外激光器的研究[J].激光与红外,2012,42(8):883~886 ZHAO Shu-yun, XIAO Lie, WANG Xu, ZHANG Chi, LIU Lei. Study on a practical 266 nm ultraviolet laser[J]. LASER & INFRARED,2012,42(8):883~886