| 光参量啁啾脉冲放大增益特性研究 |
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| 引用本文： | 黄小军,张树葵,袁晓东,王晓东,唐军,曾小明,魏晓峰.光参量啁啾脉冲放大增益特性研究[J].强激光与粒子束,2002,14(4):516-520. |
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| 作者姓名： | 黄小军 张树葵 袁晓东 王晓东 唐军 曾小明 魏晓峰 |
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| 作者单位： | 中国工程物理研究院 激光聚变研究中心，四川 绵阳621900 |
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| 基金项目： | 中国工程物理研究院重大基金资助课题 ( YJ2 0 1) |
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| 摘 要： | 通过对非线性三波耦合方程组进行数值求解，研究了光参量放大的增益特性及饱和放大特性。给出了泵浦光、信号光参数对参量增益的影响及其与晶体饱和长度的关系。且OPA具有传统CPA系统所不具有的优点，将有可能取代传统的CPA系统而作为超短超强激光系统的新型前端。
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| 关 键 词： | 啁啾脉冲 光参量放大 增益 饱和放大 |
| 文章编号： | 1001-4322(2002)04-0516-05 |
| 收稿时间： | 2001/10/24 |
| 修稿时间： | 2001年10月24 |
Study on gain properties of optical parametric chirped pulse amplification |
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| HUANG Xiao-jun,ZHANG Shu-kui,YUAN Xiao-dong,WANG Xiao-dong,TANG Jun,ZENG Xiao-ming,WEI Xiao-feng.Study on gain properties of optical parametric chirped pulse amplification[J].High Power Laser and Particle Beams,2002,14(4):516-520. |
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| Authors: | HUANG Xiao-jun ZHANG Shu-kui YUAN Xiao-dong WANG Xiao-dong TANG Jun ZENG Xiao-ming WEI Xiao-feng |
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| Affiliation: | Research Center of Laser Fusion, CAEP, P.O.Box.919-988, Mianyang 621900, China |
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| Abstract: | Theoretical analysis and detailed numerical simulation on optical parametric chirped pulse amplification(OPCPA) are presented in this paper. The characters of optical gain and saturation amplification under different conditions of pumping beam and signal beam are obtained. The signal beam grows exponentially in weak signal regime until the is fully depleted, which shows good agreement with the analytical solution. We also find that the initial intensity of pump and signal have great effect on the gain of OPA. Therefore, the crystal length has to be carefully chosen once that the parameters of pump and signal are set. Also a design example of OPCPA and it's calculated result are given. |
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| Keywords: | chirped pulse optical parametric amplification gain saturation amplification |
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