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LD泵浦Nd:YAG/Cr:YAG腔外频率变换高功率紫外激光器
引用本文:谭成桥,薛庆华,贾富强,亓岩,郑权,钱龙生.LD泵浦Nd:YAG/Cr:YAG腔外频率变换高功率紫外激光器[J].光子学报,2005,34(9):1289-1292.
作者姓名:谭成桥  薛庆华  贾富强  亓岩  郑权  钱龙生
作者单位:中国科学院长春光学精密机械与物理研究所,长春,130022
基金项目:国家高技术研究发展计划(2002AA311141)资助项目
摘    要:用KTP晶体对激光二极管端面泵浦的Nd:YAG晶体;Cr:YAG被动调Q产生的1064nm脉冲激光器进行腔外倍频,用BBO晶体四倍频产生266 nm紫外激光.用15 W的LD阵列;当LD泵浦功率为12 W的情况下;红外(1064 μm)调Q平均输出功率为2.2 W;脉冲序列周期为40 μs;脉宽为18ns;峰值功率高达4.9kW.采用KTP腔外二倍频;532nm的绿光输出平均功率为850mW;用BBO腔外四倍频;266nm的紫外光输出平均功率高达215mW,绿光-紫外光光转换效率为25.2%, 红外到紫外总的转换效率为9.8%.

关 键 词:紫外激光器  四倍频  DPSSL  腔型设计  被动调Q
收稿时间:2004-06-02
修稿时间:2004年6月2日

LD-pumped Nd: YAG Outcavity Fourth Harmonic Generation High Power Ultraviolet Laser
Tan Chengqiao,Xue Qinghua,Jia Fuqiang,Qi Yan,Zheng Quan,Qian Longsheng.LD-pumped Nd: YAG Outcavity Fourth Harmonic Generation High Power Ultraviolet Laser[J].Acta Photonica Sinica,2005,34(9):1289-1292.
Authors:Tan Chengqiao  Xue Qinghua  Jia Fuqiang  Qi Yan  Zheng Quan  Qian Longsheng
Institution:(Changchun institute of Optics,Fine Mechanics and Physics,Academy of sciences ,Changchun 130022)
Abstract:A diode-pumped,Cr:YAG passively Q-switched Nd:YAG laser with an ultraviolet output at 266 nm is studied.Usinga LDA with 15 W,when the incident pump power was 12 W,the passively Q-switched average power infrared output power reached 2.2 W,and the period of the pulse was 40 ¦Ìs,and the width of the pulse was 18 ns,and the peak power rose up to 4.9 kW.Taking KTP as the second harmonic generation crystal,532 nm green light average power was 850 mW;Taking BBO crystal for fourth harmonic generation outcavity,266 nm ultraviolet average output power was 215 mW,the efficiency of green to ultraviolet conversation was 25.2.%,and the efficiency of infared to ultraviolet conversation was 9.8%.
Keywords:Ultraviolet laser  Fourth harmonic generation  DPSSL  Cavity design passively  Q-switched
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