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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.
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Keywords:
- dynamic range /
- streak camera /
- space charge effect
[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
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[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
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