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中文摘要：
设计并研制了全固态连续单频1．34μmNd：YVO4环形激光器。利用880nm激光二极管双端端面偏振抽运Nd：YVO4晶体，通过腔镜镀膜抑制1．06μm激光振荡和环形激光谐振腔的设计优化使激光器稳定单向行波运转，实验获得了输出功率达9W的连续单频1．34μm激光输出，光一光转换效率达18％。激光器在4h内的功率稳定性优于±1％，在1min内的频率漂移为8．5MHz，输出激光的光束质量M2因子为1．03。
英文摘要：
An all-solid-state continuous-wave （CW） single-frequency 1. 34μm Nd： YVO4 laser is designed and fabricated. Based on a polarized and dual-end pumping scheme, a Nd： YVO4 crystal is directly pumped by an 880 nm laser diode, the 1.06 μm laser is suppressed by the coating of cavity mirrors, and a ring resonator is designed. The measured maximum output power of 9 W at 1.34μm is obtained with optical-optical conversion efficiency of 18%. The stability of the output power is better than ± 1% over a period of 4 h and the frequency shift is less than 8.5 MHz in 1 min. The output beam is almost diffraction limited with a measured beam quality of M2 = 1.03.
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