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首页> 外文期刊>Optics Letters >Room-temperature, continuous-wave 1-W green power by single-pass frequency doubling in a bulk periodically poled MgO:LiNbO_(3) crystal
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Room-temperature, continuous-wave 1-W green power by single-pass frequency doubling in a bulk periodically poled MgO:LiNbO_(3) crystal

机译：室温，连续波1-W绿色功率，通过在周期性周期性极化的MgO：LiNbO_（3）晶体中单通倍频实现

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摘要

Continuous-wave high-power green light generation at room temperature is reported in a single-pass frequency-doubling configuration with bulk periodically poled MgO:LiNbO_(3) crystal placed outside a diode end-pumped Nd:GdVO_(4) laser. The MgO:LiNbO_(3) samples of 6.95-μm domain period, uniform periodicity, and 50% duty cycle along the entire crystal length are fabricated by use of a high-voltage multipulse poling method. A maximum power of 1.18 W at 531 nm with 16.8% conversion efficiency is obtained from a 2-mm-thick, 25-mm-long MgO:LiNbO_(3) crystal; the corresponding internal green power and conversion efficiency are 1.38 W and 19.6%, respectively, whereas the normalized conversion efficiency is 3.3%/W.
机译：据报道，在室温下连续波高功率绿光的产生是通过单倍频配置，将体周期性极化的MgO：LiNbO_（3）晶体放置在二极管端泵浦Nd：GdVO_（4）激光器外部。利用高压多脉冲极化法制备了MgO：LiNbO_（3）畴周期为6.95μm，周期均匀，占空比为50％的MgO：LiNbO_（3）。从2毫米厚，25毫米长的MgO：LiNbO_（3）晶体获得531 nm处的最大功率为1.18 W，转换效率为16.8％。相应的内部绿色功率和转换效率分别为1.38 W和19.6％，而归一化转换效率为3.3％/ W。

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