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聚龙一号丝阵负载Z箍缩硬X射线能谱测量

张思群 王昆仑 李晶 杨亮 黄显宾

张思群, 王昆仑, 李晶, 等. 聚龙一号丝阵负载Z箍缩硬X射线能谱测量[J]. 强激光与粒子束, 2018, 30: 105004. doi: 10.11884/HPLPB201830.180183
引用本文: 张思群, 王昆仑, 李晶, 等. 聚龙一号丝阵负载Z箍缩硬X射线能谱测量[J]. 强激光与粒子束, 2018, 30: 105004. doi: 10.11884/HPLPB201830.180183
Zhang Siqun, Wang Kunlun, Li Jing, et al. Measurement of hard X-ray spectrum during wire array implosion on PTS[J]. High Power Laser and Particle Beams, 2018, 30: 105004. doi: 10.11884/HPLPB201830.180183
Citation: Zhang Siqun, Wang Kunlun, Li Jing, et al. Measurement of hard X-ray spectrum during wire array implosion on PTS[J]. High Power Laser and Particle Beams, 2018, 30: 105004. doi: 10.11884/HPLPB201830.180183

聚龙一号丝阵负载Z箍缩硬X射线能谱测量

doi: 10.11884/HPLPB201830.180183
基金项目: 

国家自然科学基金面上项目 11575167

国家自然科学基金青年基金项目 11505171

详细信息
    作者简介:

    张思群(1981—),女,硕士,助理研究员,主要从事Z箍缩X光诊断技术研究;36356276@qq.com

  • 中图分类号: TL814

Measurement of hard X-ray spectrum during wire array implosion on PTS

  • 摘要: 为获取聚龙一号实验装置负载放电产生硬X射线的能谱分布,设计了一套7通道硬X射线能谱仪。介绍了这套多通道硬X射线能谱仪的测谱原理、主要参数及根据测量结果回推光源辐射能谱的解谱算法。在聚龙一号装置丝阵负载物理实验中对测量系统进行考核,获得了信噪比较高的测量波形。利用最大熵方法进行解谱,获得了丝阵负载产生的硬X射线能谱分布,辐射能段主要集中在200~500 keV附近,且1 MeV以上光子份额较低。
  • 图  1  各通道能谱响应

    Figure  1.  Spectrum response of the channels

    图  2  多通道硬X射线能谱仪主体结构

    Figure  2.  The main structure of the hard X-ray spectrometer

    图  3  实验光路图

    Figure  3.  Schematic diagram of the light path in experiments

    图  4  通道响应一致性

    Figure  4.  Consistency in the response of channels

    图  5  0243发次谱仪各通道测量波形

    Figure  5.  Curves of shot 0243

    图  6  0243发次硬X射线解谱结果

    Figure  6.  Unfolding result of shot 0243

    表  1  多通道硬X谱仪各通道滤片厚度

    Table  1.   Thicknesses of the filters in the spectrometer channels

    channel Pb filter thickness/mm
    ch1 1.5
    ch2 2.6
    ch3 4.3
    ch4 6.14
    ch5 10.0
    ch6 19.9
    ch7 24.8
    下载: 导出CSV
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出版历程
  • 收稿日期:  2018-06-28
  • 修回日期:  2018-08-13
  • 刊出日期:  2018-10-15

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