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空间电荷效应对X射线条纹相机动态范围影响的研究

袁永腾 郝轶聃 赵宗清 侯立飞 缪文勇

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空间电荷效应对X射线条纹相机动态范围影响的研究

袁永腾, 郝轶聃, 赵宗清, 侯立飞, 缪文勇

Dynamic range of X-ray streak camera affected by space charge effect

Yuan Yong-Teng, Hao Yi-Dan, Zhao Zong-Qing, Hou Li-Fei, Miao Wen-Yong
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  • 在惯性约束聚变中,X射线条纹相机是一种诊断图像时空分辨的重要设备,其动态范围反映了条纹相机有效测量入射X射线强度的能力.由于空间电荷效应的存在,电子脉冲在运动过程中会不断展宽,从而限制了条纹相机的动态范围.本文采用一维流体力学模型,利用电子数守恒、动量守恒和Poisson方程等来对电子脉冲的展宽进行推导,最终得到了电子脉冲的密度分布随时间空间的变化情况,从而为条纹相机动态范围的评估提供了依据.
    x ray streak camera is an important equipment for time resolved measurement in the field of inertial confinement fusion. Its dynamic range indicates the ability that effectively measuring the intensity of incidence x ray. The photoelectron pulse will be broaden in passing through the photocathode-to-mesh region because of space charge effect. This limits the dynamic range of the streak camera. This paper adopts a fluid model, making use of particle conservation, momentum conservation, and Poisson equations to deduce the widening of the electron pulse and derive the change in the electron density distribution. The results can be used to evaluate the dynamic range of the streak camera.
    • 基金项目: 等离子体重点实验室基金(批准号:9140C6801)和国家自然科学基金(批准号:10905051)资助的课题.
    [1]

    Hu X, Jiang S E, Cui Y L, Huang Y X, Ding Y K, Liu Z L, Yi R Q, Li C G, Zhang J H, Zhang H Q 2007 Acta Phys. Sin. 56 1447 (in Chinese) [胡 昕、江少恩、崔延莉、黄翼翔、丁永坤、刘忠礼、易荣清、李朝光、张景和、张华全 2007 物理学报 56 1447]

    [2]

    Eagleton R T, James S F 2003 Rev. Sci. Instrum. 74 2215

    [3]

    Niu L H, Yang Q L, Niu H B, Liao H, Zhou J L, Ding Y K 2008 Rev. Sci. Instrum. 79 023103

    [4]

    Tian J S, Zhao B S, Wu J J, Zhao W, Hou X, Liu Y Q, Zhang J 2006 Acta Phys. Sin. 55 123 (in Chinese) [田进寿、赵宝升、吴建军、赵 卫、侯 洵、刘运全、张 杰 2007 物理学报 55 123]

    [5]

    Niu H, Sibbett W 1981 Rev. Sci. Instrum. 52 1830

    [6]

    Bonte C, Harmand M, Dorchies F, Magnan S, Pitre V, Kieffer J C, Audebert P, Geindre J P 2007 Rev. Sci. Instrum. 78 043503

    [7]

    Mourou G, Williamson S 1982 Appl. Phys. Lett. 41 44

    [8]

    Liu Y Q, Liang W X, Zhang J, Wu J J, Tian J S, Wang J F, Zhao B S 2006 Acta Phys. Sin. 55 6500 (in Chinese) [刘运全、梁文锡、张 杰、吴建军、田进寿、王俊峰、赵宝升 2006 物理学报 55 6500]

    [9]

    Xie X D, Wang X, Zhu Q H, Zeng X M, Wang F R, Huang X J, Zhou K N, Wang F, Jiang D B,Huang Z, Sun L,Liu H, Wang X D, Deng W, Guo Y, Zhang X M 2007 Acta Phys. Sin. 56 6463 (in Chinese)[谢旭东、王 逍、朱启华、曾小明、王凤蕊、黄小军、周凯南、王 方、蒋东镔、黄 征、孙 立、刘 华、王晓东、邓 武、郭 仪、张小民 2007 物理学报 56 6463]

    [10]

    Bao L Q, Hani E E 2002 J. Appl. Phys. 91 462

  • [1]

    Hu X, Jiang S E, Cui Y L, Huang Y X, Ding Y K, Liu Z L, Yi R Q, Li C G, Zhang J H, Zhang H Q 2007 Acta Phys. Sin. 56 1447 (in Chinese) [胡 昕、江少恩、崔延莉、黄翼翔、丁永坤、刘忠礼、易荣清、李朝光、张景和、张华全 2007 物理学报 56 1447]

    [2]

    Eagleton R T, James S F 2003 Rev. Sci. Instrum. 74 2215

    [3]

    Niu L H, Yang Q L, Niu H B, Liao H, Zhou J L, Ding Y K 2008 Rev. Sci. Instrum. 79 023103

    [4]

    Tian J S, Zhao B S, Wu J J, Zhao W, Hou X, Liu Y Q, Zhang J 2006 Acta Phys. Sin. 55 123 (in Chinese) [田进寿、赵宝升、吴建军、赵 卫、侯 洵、刘运全、张 杰 2007 物理学报 55 123]

    [5]

    Niu H, Sibbett W 1981 Rev. Sci. Instrum. 52 1830

    [6]

    Bonte C, Harmand M, Dorchies F, Magnan S, Pitre V, Kieffer J C, Audebert P, Geindre J P 2007 Rev. Sci. Instrum. 78 043503

    [7]

    Mourou G, Williamson S 1982 Appl. Phys. Lett. 41 44

    [8]

    Liu Y Q, Liang W X, Zhang J, Wu J J, Tian J S, Wang J F, Zhao B S 2006 Acta Phys. Sin. 55 6500 (in Chinese) [刘运全、梁文锡、张 杰、吴建军、田进寿、王俊峰、赵宝升 2006 物理学报 55 6500]

    [9]

    Xie X D, Wang X, Zhu Q H, Zeng X M, Wang F R, Huang X J, Zhou K N, Wang F, Jiang D B,Huang Z, Sun L,Liu H, Wang X D, Deng W, Guo Y, Zhang X M 2007 Acta Phys. Sin. 56 6463 (in Chinese)[谢旭东、王 逍、朱启华、曾小明、王凤蕊、黄小军、周凯南、王 方、蒋东镔、黄 征、孙 立、刘 华、王晓东、邓 武、郭 仪、张小民 2007 物理学报 56 6463]

    [10]

    Bao L Q, Hani E E 2002 J. Appl. Phys. 91 462

计量
  • 文章访问数:  8630
  • PDF下载量:  800
  • 被引次数: 0
出版历程
  • 收稿日期:  2009-10-23
  • 修回日期:  2010-01-12
  • 刊出日期:  2010-05-05

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