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变反射率镜非稳腔可调谐Ti∶Al₂O₃激光器

Tunable VRM Unstable Resonator Ti∶Al₂O₃ Laser

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【Author】 Pei Bo 1),2) Zhou Shouhuan 2) Shen Ke 1) 1), Department of Optical Physics,Changchun Institute of Optics and Fine Mechanics, Changchun 130022 2), North China Research Institute of Electro Optics, Beijing 100015

【机构】长春光学精密机械学院理学分院!长春130022；华北光电技术研究所；北京100015；北京8511信箱36分箱；华北光电技术研究所!北京100015；

【摘要】将变反射率镜 (VRM)非稳腔成功地应用于可调谐Ti∶Al2 O3 激光器 ,有效地提高了Ti∶Al2 O3 激光的光束质量 ,并利用LBO晶体作为倍频器获得了 396nm～ 44 0nm的蓝色可调谐激光输出 ,最大输出能量为 2 6mJ ,最高倍频效率为 2 7.2 %。更多还原

【Abstract】 The beam quality has been improved efficiently by means of a varied reflectivity mirror (VRM) unstable resonator used in a tunable Ti∶Al 2O 3 laser, and a tunable blue laser from 396 nm～440 nm through second harmonic generation (SHG) by LBO crystal is generated. The highest SHG efficiency of 27.2% and the maximum output energy of 26 mJ have been obtained.更多还原