| 黑腔等离子体中SRS与SBS过程的散射光谱分析 |
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| 引用本文： | 郝亮,刘占军,胡晓燕,项江,李斌,郑春阳,朱少平.黑腔等离子体中SRS与SBS过程的散射光谱分析[J].强激光与粒子束,2015,27(3):032004-47. |
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| 作者姓名： | 郝亮 刘占军 胡晓燕 项江 李斌 郑春阳 朱少平 |
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| 作者单位： | 1.北京应用物理与计算数学研究所, 北京 1 00094 |
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| 基金项目： | 国家高技术发展计划项目;国家重点基础研究发展计划项目;国家自然科学基金项目(11305014,11201033,11175029,11075025,91230205,11435011) |
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| 摘 要： | 针对惯性约束聚变中激光通过等离子体时,在光路上激发的受激Raman散射(SRS)与受激Brillouin散射(SBS)过程进行了研究。介绍了用于分析两种不稳定性过程背向散射光谱特征的程序模型,数值模拟了不同等离子体状态参数条件下的SRS与SBS过程,讨论了黑腔内等离子体参数条件对两种不稳定性过程及其散射光谱特征的影响,提出了有益于抑制两种不稳定过程的等离子体参数条件。
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| 关 键 词： | 惯性约束聚变 受激Raman散射 受激Brillouin散射 散射光谱分析 |
| 收稿时间： | 2014-10-27 |
Analysis of backscattered light spectra of SRS and SBS in hohlraum plasma |
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| Hao Liang;Liu Zhanjun;Hu Xiaoyan;Xiang Jiang;Li Bin;Zheng Chunyang;Zhu Shaoping.Analysis of backscattered light spectra of SRS and SBS in hohlraum plasma[J].High Power Laser and Particle Beams,2015,27(3):032004-47. |
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| Authors: | Hao Liang;Liu Zhanjun;Hu Xiaoyan;Xiang Jiang;Li Bin;Zheng Chunyang;Zhu Shaoping |
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| Affiliation: | 1.Institute of Applied Physics and Computational Mathematics,Beijing 100094,China |
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| Abstract: | This paper presents our study of stimulated backward Raman scattering (SRS) and stimulated backward Brillouin scattering (SBS) instabilities, which appeared when the pump laser passed through the hohlraum plasma in the indirect driven inertial confinement fusion (ICF). It mainly introduces the physical model of the spectral analysis code in detail and the simulated processes of SRS and SBS under different plasma parameter conditions. Influence of hohlraum plasma parameter on spectral characteristics of SRS and SBS are analyzed, and the beneficial parameters to restrain the instabilities are presented, which provide references to the relevant target design. |
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