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球面晶体分析器在X射线成像诊断中的研究

钱家渝 肖沙里 毋玉芬 刘利锋

钱家渝, 肖沙里, 毋玉芬, 刘利锋. 球面晶体分析器在X射线成像诊断中的研究[J]. 应用光学, 2011, 32(2): 241-244.
引用本文: 钱家渝, 肖沙里, 毋玉芬, 刘利锋. 球面晶体分析器在X射线成像诊断中的研究[J]. 应用光学, 2011, 32(2): 241-244.
QIAN Jia-yu, XIAO Sha-li, WU Yu-fen, LIU Li-feng. X-ray imaging diagnosis using spherically bent crystal analyzer[J]. Journal of Applied Optics, 2011, 32(2): 241-244.
Citation: QIAN Jia-yu, XIAO Sha-li, WU Yu-fen, LIU Li-feng. X-ray imaging diagnosis using spherically bent crystal analyzer[J]. Journal of Applied Optics, 2011, 32(2): 241-244.

球面晶体分析器在X射线成像诊断中的研究

详细信息
    通讯作者:

    钱家渝(1957-),男,重庆人,技师,主要从事光谱仪器研究工作。

  • 中图分类号: TN249

X-ray imaging diagnosis using spherically bent crystal analyzer

  • 摘要: 为诊断激光等离子体X射线,研制了基于Bragg衍射原理的球面弯曲晶体。球面晶体可提高空间分辨、光谱分辨及立体角收集辐射能力。实验采用球面弯曲石英晶体作为分析器,X射线成像板作为成像器件,利用X射线衍射仪铬靶 K单色谱成像,验证了0.2 mm间隔双丝的单能像,球面弯晶具有较高的光谱分辨力和信噪比,谱分辨力可达1 000,聚光效率在同样距离条件下比平晶分析器高一个数量级以上。
  • [1]XU Yan , ZHANG Ji-yan . A requirement for diagnosis of the ionization state in opacity measurements [J]. Phys. Plasmas, 2010, 17(5):052705052705-5.



    [2]ROCHAU B J E,MANCINI G A,IGLESIAS R C, et al. Diagnosis of X-ray heated Mg/Fe opacity research plasmas [J]. Rev. Sci. Instrum., 2008, 79(11): 113104-113104-11.



    [3]SINARS D B, BENNETT G R, WENGER D F, et al. Evaluation of bent crystal X-ray backlighting and microscopy techniques for the Sandia Z machine [J]. Appl. Opt., 2003, 42(19): 4059-4071.



    [4]KANTSYREV V, BAUER B, SHLYAPTSEVA A, et al. Advanced X-ray and extreme ultraviolet diagnostics and first applications to X-pinch plasma experiments at the Nevada Terawatt facility [J]. Rev. Sci. Instrum., 2001, 72 (1): 663-666.



    [5]BITTER M, HILL K W, STRATTON B, et al. Spatially resolved spectra from a new X-ray imaging crystal spectrometer for measurements of ion and electron temperature profiles (invited) [J]. Rev. Sci. Instrum., 2004, 75 (10): 3660-3665.



    [6]BARNSLEY R, PEACOCK N J, DUNN J, et al. Versatile high resolution crystal spectrometer with X-ray charge coupled device detector [J]. Rev. Sci. Instrum., 2003, 74 (4): 2388-2408.



    [7]BLASCO F, STENZ C, SALIN F. Portable, tunable, high-luminosity spherical crystal spectrometer with an X-ray charge coupled device for highresolution x-ray spectromicroscopy of clusters heated by femtosecond laser pulses [J]. Rev. Sci. Instrum., 2001, 72(4): 1957-1959.



    [8]卢向东, 欧伟英. X射线弯晶谱仪的几何因数对色散角的影响[J]. 激光杂志, 2004, 25(6): 85-87.



    LU Xiang-dong, OU Wei-ying. The dispersive angle effected by the geometrical factors of the X-ray bent crystal spectrometer [J]. Laser Journal, 2004, 25(6): 85-87.(in Chinese with an English abstract)
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出版历程
  • 刊出日期:  2011-03-15

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