1.15kW continuous-wave generation by diode-side-pumped two-rod Nd:YAG laser
Bo Yong (薄勇)a, Geng Ai-Cong (耿爱丛)ab, Bi Yong (毕勇)c, Sun Zhi-Pei (孙志培)ab, Yang Xiao-Dong (杨晓冬)ab, Peng Qin-Jun (彭钦军)ab, Li Hui-Qing (李惠青)ab, Li Rui-Ning (李瑞宁)a, Cui Da-Fu (崔大复)a, Xu Zu-Yan (许祖彦)a
a Beijing National Laboratory for Condensed Matter Physics,Institute of Physics, Chinese Academy ofSciences, Beijing 100080, China; b Graduate School of the Chinese Academy of Sciences, Beijing 100080, China; c Academy of Opto-electronics, Chinese Academy of Sciences, Beijing 100080, China
Abstract A high power and high efficiency laser head with five dual-line diode arrays for the side-pumped Nd:YAG rod is developed. By mounting two laser heads of this kind and a quartz 90$^\circ$ rotator into a thermally-near-unstable symmetrical flat--flat resonator, a continuous-wave power output of 1157W at 1064nm is obtained with a beam quality factor M2 of $\sim$39. To the authors' knowledge, this is the highest power output at 1064 nm for the diode-side-pumped two-rod Nd:YAG laser.
Received: 08 October 2004
Revised: 21 November 2004
Accepted manuscript online:
(Beam characteristics: profile, intensity, and power; spatial pattern formation)
Fund: Project supported by the Knowledge Innovation Programme of the Chinese Academy of Sciences, the National HighTechnology Development Programme of China (Grant Nos 2002AA311120 and 2002AA311040), and the Council for Science and Technology of Beijing (Grant No H020420060060110)
Cite this article:
Bo Yong (薄勇), Geng Ai-Cong (耿爱丛), Bi Yong (毕勇), Sun Zhi-Pei (孙志培), Yang Xiao-Dong (杨晓冬), Peng Qin-Jun (彭钦军), Li Hui-Qing (李惠青), Li Rui-Ning (李瑞宁), Cui Da-Fu (崔大复), Xu Zu-Yan (许祖彦) 1.15kW continuous-wave generation by diode-side-pumped two-rod Nd:YAG laser 2005 Chinese Physics 14 771
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