通过背向开关极化铌酸锂中激光二极管的单程倍频，在465纳米处连续波准相位匹配产生60毫瓦功率。
Continuous-wave quasi-phase-matched generation of 60 mW at 465 nm by single-pass frequency doubling of a laser diode in backswitch-poled lithium niobate.
作者信息
Batchko R G, Fejer M M, Byer R L, Woll D, Wallenstein R, Shur V Y, Erman L
出版信息
Opt Lett. 1999 Sep 15;24(18):1293-5. doi: 10.1364/ol.24.001293.
We report continuous-wave single-pass second-harmonic generation (SHG) in 4-mum -period 0.5-mm-thick backswitch-poled lithium niobate. Pump sources at 920-930 nm include both Ti:sapphire and diode-oscillator-amplifier lasers. SHG of a Ti:sapphire laser at 6.1%/W efficiency, producing 61 mW of power at 460 nm, is demonstrated in 50-mm-long periodically poled lithium niobate samples with a nonlinear coefficient d(eff) approximately 9pm/V, and 60 mW at 465 nm and 2.8%/W efficiency is obtained by SHG of a laser-diode source.
我们报道了在周期为4μm、厚度为0.5mm的反向开关极化铌酸锂中实现的连续波单通二次谐波产生（SHG）。920 - 930nm的泵浦源包括钛宝石激光器和二极管振荡器 - 放大器激光器。在长度为50mm、非线性系数d(eff)约为9pm/V的周期性极化铌酸锂样品中，演示了钛宝石激光器的二次谐波产生，效率为6.1%/W，在460nm处产生61mW的功率；通过激光二极管源的二次谐波产生，在465nm处获得了60mW的功率，效率为2.8%/W。
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