Institute of Applied Electronics, China Academy of Engineering Physics, P.O. Box 919-1013, Mianyang Sichuan 621900, China.
Opt Lett. 2009 Oct 1;34(19):2897-9. doi: 10.1364/OL.34.002897.
The experimental results of a high-efficiency mid-IR laser are presented on a quasi-phase-matched single-resonated optical parametric oscillator in PPMgO:CLN pumped by a 1064 nm laser of an elliptical beam. The pump source was an acousto-optical Q-switched cw-diode-side-pumped Nd:YAG laser. The beam polarization matched the e-ee interaction in PPMgO:CLN. When the crystal was operated at 110 degrees C and the pump power was 104 W with a repetition rate of 7 kHz, average output powers of 16.7 W at 3.84 microm and 46 W at 1.47 microm were obtained. The slope efficiency of the 3.84 microm laser with respect to the pump laser was 19.1%. The M(2) factors of the 3.84 mum laser were 2.03 and 5.89 in the parallel and perpendicular directions, respectively.
实验结果高效中红外激光是介绍准相位匹配单谐振光参量振荡器在 PPMgO:CLN 抽运的 1064nm 激光的椭圆束声光调 Q 连续二极管泵浦 Nd:YAG 激光器。泵浦源。光束偏振匹配 e-ee 在 PPMgO:CLN 相互作用。当晶体在 110 度 C 下工作，泵浦功率为 104 W，重复率为 7 kHz 时，在 3.84μm 处获得 16.7 W 的平均输出功率，在 1.47μm 处获得 46 W 的平均输出功率。3.84μm 激光的斜效率相对于泵浦激光为 19.1%。M（2）因素的 3.84 微米激光分别为 2.03 和 5.89 在平行和垂直方向。
