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中文摘要：
报道了采用激光二极管端面抽运a轴切割的Nd：YVO4晶体自拉曼和频激光的实验研究。从谐振腔结构、晶体膜系以及和频晶体的选择方面对激光系统进行了设计，对连续运转和声光调Q下和频激光器的性能进行了研究。以KTP晶体为和频晶体，在12w的抽运功率下，获得了580mw的558．6nm连续黄绿激光输出，光一光转化效率为5％。在17．5W的抽运功率和30kHz的声光调Q重复频率下，获得了最高平均功率为1．71W、脉冲宽度为21ns的黄绿激光输出，光一光转化效率为9．8％。
英文摘要：
Sum-frequency mixing of a laser diode end-pumped a-cut Nd： YVO4 self-Raman laser is reported. Reasonable designing of cavity construction and crystal coating, as well as choosing of sum-frequency mixing crystal are considered. The laser system is optimized for continuous-wave mode and Q-switched mode operation. Continuous-wave yellow-green laser with output power of 580 mW and wavelength of 558.6 nm is achieved at a pump power of 12 W, and the corresponding optical-optical conversion efficiency is about 5 %. With pump power of 17.5 W and Q-switch repetition frequency of 30 kHz, yellow-green laser output power up to 1.71 W is achieved whose pulse width is 21 ns and optical-optical conversion efficiency is 9.8 %.
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