| 兼容多波长及多脉宽输出的频率转换系统设计 |
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| 引用本文： | 王芳,李富全,贾怀庭,周丽丹,王礼权,冯斌,谢旭东,朱启华,张崑.兼容多波长及多脉宽输出的频率转换系统设计[J].强激光与粒子束,2015,27(3):032018-169. |
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| 作者姓名： | 王芳 李富全 贾怀庭 周丽丹 王礼权 冯斌 谢旭东 朱启华 张崑 |
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| 作者单位： | 1.中国工程物理研究院 激光聚变研究中心,四川 绵阳 621 900 |
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| 摘 要： | 通过对多种频率转换方案的深入对比分析,设计了一套兼容多波长及多脉宽高效输出的频率转换系统。采用"Ⅱ+Ⅱ"类双晶体级联的方式,可以实现"偏振失配"三倍频和Ⅱ类双晶体正交级联二倍频两种模式间的快速切换。通过数值模拟程序优化了晶体构型,结果表明,当两块晶体厚度均为10mm时,可以兼顾低功率长脉冲和高功率短脉冲对效率和稳定性的需求。
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| 关 键 词： | 多波长 多脉宽 正交级联二倍频 偏振失配三倍频 |
| 收稿时间： | 2014-04-23 |
Design of compatible harmonic generation system for multi wavelength and multiple pulse-width laser output |
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| Wang Fang;Li Fuquan;Jia Huaiting;Zhou Lidan;Wang Liquan;Feng Bin;Xie Xudong;Zhu Qihua;Zhang.Design of compatible harmonic generation system for multi wavelength and multiple pulse-width laser output[J].High Power Laser and Particle Beams,2015,27(3):032018-169. |
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| Authors: | Wang Fang;Li Fuquan;Jia Huaiting;Zhou Lidan;Wang Liquan;Feng Bin;Xie Xudong;Zhu Qihua;Zhang |
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| Affiliation: | 1.Research Center of Laser Fusion,CAEP,P.O.Box 919-988,Mianyang 621900,China |
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| Abstract: | By comparing and analyzing various frequency conversion schemes, a compatible harmonic generation system has been designed. With type-Ⅱ-type-Ⅱ crystal combination configuration, polarization mismatch third harmonic generation and type-Ⅱ orthogonal quadrate second harmonic generation can be quickly switched. The thicknesses were optimized to be 10mm for both crystals by numerical simulation method, as a result, the requirements of high efficiency for long pulse with low intensity, as well as high stability for short pulse with high intensity, can be satisfied. |
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