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大物面高时空分辨X射线条纹管成像研究

Imaging of Large Format High Spatiotemporal Resolution X-Ray Streak Tube

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摘要

为了满足惯性约束聚变(ICF)实验对X射线条纹相机提出的新技术要求,设计并研制了一种大物面X射线条纹变像管,利用球面荧光屏减轻场曲的影响,并通过提高阳极总压、增大偏转灵敏度来提高时间分辨率。测试结果表明:阴极有效长度可达40 mm,静态空间分辨率信息分辨总量可达1000 lp,动态空间分辨率为20 lp/mm,时间分辨率达3.3 ps,动态范围可达2281∶1,能满足ICF实验所提出的大信息捕捉量的要求。

Abstract

To meet the advanced technical requirements on X-ray streak camera in the inertial confinement fusion (ICF) experiments, a large format X-ray streak tube is designed and fabricated, in which a spherical phosphor screen is used to alleviate the influence of field curvature and also the increase of anode total voltage and deflection sensitivity is used for the improvement of time resolution. The test results show that the effective length of photocathode is 40 mm, the total static spatial resolution amount is 1000 lp, the dynamic spatial resolution is 20 lp/mm, the temporal resolution is 3.3 ps, and the dynamic range is 2281∶1, which can meet the capturing requirement of a large amount of information in the ICF experiments.

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中图分类号:O463

DOI:10.3788/AOS201838.1211003

所属栏目:成像系统

基金项目:深圳市基础研究自由探索项目(JCYJ20170818102618203,JCYJ20170818141616714)、国家自然科学基金青年基金(11805137)

收稿日期:2018-06-05

修改稿日期:2018-07-08

网络出版日期:2018-08-17

作者单位    点击查看

张敬金:深圳大学信息工程学院 , 广东 深圳 518060深圳大学光电工程学院光电子学器件与系统教育部/广东省重点实验室, 广东 深圳 518060
宗方轲:深圳大学光电工程学院光电子学器件与系统教育部/广东省重点实验室, 广东 深圳 518060
雷保国:深圳大学光电工程学院光电子学器件与系统教育部/广东省重点实验室, 广东 深圳 518060
郭宝平:深圳大学信息工程学院 , 广东 深圳 518060深圳大学光电工程学院光电子学器件与系统教育部/广东省重点实验室, 广东 深圳 518060
杨勤劳:深圳大学光电工程学院光电子学器件与系统教育部/广东省重点实验室, 广东 深圳 518060

联系人作者:杨勤劳(qlyang@szu.edu.cn)

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引用该论文

Zhang Jingjin,Zong Fangke,Lei Baoguo,Guo Baoping,Yang Qinlao. Imaging of Large Format High Spatiotemporal Resolution X-Ray Streak Tube[J]. Acta Optica Sinica, 2018, 38(12): 1211003

张敬金,宗方轲,雷保国,郭宝平,杨勤劳. 大物面高时空分辨X射线条纹管成像研究[J]. 光学学报, 2018, 38(12): 1211003

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