In order to obtain the 3~5 μm mid-infrared laser output,a non-collinear pump potassium titanyl arsenate critically phase-matched optical parametric oscillator (KTA -OPO)is analyzed theoretically and studied experimentally.When the KTA-OPO is pumped by an electro-optic Q-switched Nd∶YAG laser,the repetition rate is 1~25 Hz,the pulse energy of idler output is 5.4 mJ and the wavelength is 3.75 μm.
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张伟,万勇,陈鸿鸣,吴振宇,王滨.临界相位匹配砷酸钛氧钾光参量振荡器研究[J].激光与红外,2011,41(12):1319~1322 ZHANG Wei, WAN Yong, CHEN Hong-ming, WU Zhen-yu, WANG Bin. Study of critically phase-matched KTA optical parametric oscillator[J]. LASER & INFRARED,2011,41(12):1319~1322