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大动态范围高时空性能X射线条纹相机的研制

Development of X-Ray Streak Camera with Large Dynamic Range and High Temporal-Spatial Resolution

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摘要

为了满足激光驱动惯性约束聚变(ICF)的诊断需求, 研制了一台大动态范围高时空性能X射线条纹相机系统; 通过优化电子光学设计、改进条纹变像管的制作工艺, 以及制作和使用高效器件来达到提高条纹相机动态范围以及时间和空间性能的目的; 设计相机的阴极工作长度为30 mm, 聚焦电压为12 kV; 借助飞秒和皮秒激光器组建相机的静态和动态标定测试系统。结果表明:该相机系统的空间分辨率大于20 lp/mm, 时间分辨率达到5 ps, 动态范围达到2237∶1, 扫描速度非线性小于3%; 相机具有4个挡位, 可以实现4个扫描速度下的超快信号获取; 该相机性能优良, 可以满足激光聚变研究中时间、空间、能谱分辨的精密化诊断要求。

Abstract

To satisfy the diagnosis requirement of laser driven inertial confinement fusion (ICF), an X-ray streak camera system with large dynamic range and high temporal-spatial resolution is developed. By optimizing the design of electronic optics, improving the production process of streak image converter tube, as well as producing and using the efficient devices, we improve the dynamic range and temporal-spatial resolution of the streak camera. The photocathode working length of the camera is designed to be 30 mm, and the focus voltage is designed to be 12 kV. Static and dynamic calibration systems are set up with the help of femtosecond and picosecond lasers. The results show that the spatial resolution of the camera system is greater than 20 lp/mm, the temporal resolution reaches 5 ps, the dynamic range reaches 2237∶1, and the sweep speed nonlinearity is smaller than 3%. Ultra-fast signals can be achieved by four gears of the camera with four sweep speeds. The camera has good performance and can be used for precise diagnosis of temporal-spatial and energy spectrum resolution in laser fusion research.

Newport宣传-MKS新实验室计划
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中图分类号:O436;TN143

DOI:10.3788/aos201737.1234001

所属栏目:X射线光学

基金项目:国家重大科学仪器设备开发专项(2014YQ230659)、国家自然科学基金青年科学基金 (11705119)、广东省自然科学基金(2017A030310142)、深圳市科技计划项目(JCYJ20170302152748002)

收稿日期:2017-07-12

修改稿日期:2017-07-23

网络出版日期:--

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顾礼:深圳大学光电工程学院光电子器件与系统教育部/广东省重点实验室, 广东 深圳 518060深圳大学信息工程学院, 广东 深圳 518060
宗方轲:深圳大学光电工程学院光电子器件与系统教育部/广东省重点实验室, 广东 深圳 518060深圳大学信息工程学院, 广东 深圳 518060
李翔:深圳大学高等研究院, 广东 深圳 518060
周军兰:深圳大学光电工程学院光电子器件与系统教育部/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:深圳大学光电工程学院光电子器件与系统教育部/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)

备注:顾礼(1983-), 男, 博士后, 助理研究员, 主要从事超快诊断方面的研究。E-mail: flutelad@126.com

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引用该论文

Gu Li,Zong Fangke,Li Xiang,Zhou Junlan,Yang Qinlao,Guo Baoping. Development of X-Ray Streak Camera with Large Dynamic Range and High Temporal-Spatial Resolution[J]. Acta Optica Sinica, 2017, 37(12): 1234001

顾礼,宗方轲,李翔,周军兰,杨勤劳,郭宝平. 大动态范围高时空性能X射线条纹相机的研制[J]. 光学学报, 2017, 37(12): 1234001

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