| 应用熔石英棒相位共轭镜的LD泵浦激光MOPA系统 |
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| 引用本文： | 汪莎, 童立新, 高清松, 等. 应用熔石英棒相位共轭镜的LD泵浦激光MOPA系统[J]. 强激光与粒子束, 2007, 19(08). |
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| 作者姓名： | 汪莎 童立新 高清松 刘崇 陈军 唐淳 |
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| 作者单位： | 1.浙江大学 现代光学仪器国家重点实验室, 杭州 31 0027;;;2.中国工程物理研究院 应用电子学研究所, 四川 绵阳 621 900 |
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| 摘 要： | 用熔石英棒作为相位共轭镜材料，在LD泵浦的激光MOPA系统中实现了在 100和400 Hz下的受激布里渊散射相位共轭。实验测得重复频率100 Hz时双通放大后的x和y方向的光束质量平方因子分别为1.74和1.66，最大反射率达到24.33% ，脉冲宽度从60 ns压缩到31.34 ns。重复频率400 Hz时双通放大后的x和y方向的光束质量平方因子分别为2.10和2.12，脉冲宽度从56.69 ns压缩到28.84 ns。
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| 关 键 词： | 相位共轭 熔石英棒 受激布里渊散射 MOPA系统 光束质量 |
LD pumped laser MOPA system with a phase conjugating mirror of a fused silicon rod |
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| wang sha, tong li-xin, gao qing-song, et al. LD pumped laser MOPA system with a phase conjugating mirror of a fused silicon rod[J]. High Power Laser and Particle Beams, 2007, 19. |
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| Authors: | wang sha tong li-xin gao qing-song liu chong chen jun tang chun |
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| Affiliation: | 1. State Key Laboratory of Modern Optical Instrumentation,Zhejiang University,Hangzhou 310027,China;;;2. Institute of Applied Electronics,CAEP,P.O.Box 919-1013,Mianyang 621900,China |
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| Abstract: | Fused silica is used as the material of the phase conjugated mirror. In the LD pumped laser MOPA system, phase conjugation through the stimulated Brillouin scattering is realized at the repetition frequency of 100 Hz and 400 Hz. At the repetition frequency of 100 Hz, the beam quality factor reached 1.74 in x direction and 1.66 in y direction after double-pass amplification. The highest reflectivity is 24.33% with the input energy of 60.1 mJ, the pulse duration is compressed from 60 ns to 31.34 ns. At the repetition frequency of 400 Hz, the beam quality factor reached 2.10 in x direction and 2.12 in y direction after double-pass amplification. The pulse duration is compressed from 56.69 ns to 28.84 ns. |
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| Keywords: | phase conjugation fused silica rod stimulated brillouin scattering mopa system beam quality |
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