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High power high beam quality diode-pumped 1319-nm Nd:YAG oscillator-amplifier laser system

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【作者】谢仕永；鲁远甫；马庆磊；王鹏远；申玉；宗楠；杨峰；薄勇；彭钦军；崔大复；许祖彦；

【Author】 Xie Shi-Yong a)c) , Lu Yuan-Fu a) , Ma Qing-Lei a)c) , Wang Peng-Yuan b)c) , Shen Yu b)c) , Zong Nan a)c) , Yang Feng a)c) , Bo Yong b) , Peng Qin-Jun) b) , Cui Da-Fu b) , and Xu Zu-Yan b) a) Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China b) Research Centre of Laser Physics and Technique, Key Lab of Functional Crystal and Laser Technology,Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China c) Graduate University of the Chinese Academy of Sciences, Beijing 100049, China

【机构】 Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences； Graduate University of the Chinese Academy of Sciences； Research Centre of Laser Physics and Technique, Key Lab of Functional Crystal and Laser Technology,Technical Institute of Physics and Chemistry, Chinese Academy of Sciences；

【摘要】 This paper demonstrated a high power and high beam quality diode-pumped 1319-nm Nd:YAG master oscillatorpower amplifier laser system. A thermally near-unstable resonator with four-rod birefringence compensation flat-flat cavity was adopted as the master oscillator. A solid etalon was inserted in the unidirectional ring resonator to compress the laser linewidth. Under a repetition rate of 500 Hz and pulse width of 160 μs, the master oscillator delivers an average output power of 16.8 W at 1319 nm with linear polarisation, beam quality factor M 2 = 1.16 and linewidth of 3.2 GHz. A double-pass power amplifier with two amplifier stages was employed for higher power scaling and the output power was amplified to be 25.9 W with M 2 = 1.43.更多还原

【Abstract】 This paper demonstrated a high power and high beam quality diode-pumped 1319-nm Nd:YAG master oscillatorpower amplifier laser system. A thermally near-unstable resonator with four-rod birefringence compensation flat-flat cavity was adopted as the master oscillator. A solid etalon was inserted in the unidirectional ring resonator to compress the laser linewidth. Under a repetition rate of 500 Hz and pulse width of 160 μs, the master oscillator delivers an average output power of 16.8 W at 1319 nm with linear polarisation, beam quality factor M 2 = 1.16 and linewidth of 3.2 GHz. A double-pass power amplifier with two amplifier stages was employed for higher power scaling and the output power was amplified to be 25.9 W with M 2 = 1.43.更多还原

【关键词】 master oscillator-power amplifier system； Nd:YAG ring laser；
【Key words】 master oscillator-power amplifier system； Nd:YAG ring laser；

【基金】 Project supported by the National High Technology Research and Development Program and the National Natural Science Foundation of China (Grant No. 60508013)

【文献出处】 Chinese Physics B ,中国物理B , 编辑部邮箱 ,2010年06期

【分类号】TN752;TN24
【被引频次】7
【下载频次】97

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