[1]顾礼,李翔,宗方轲,等.分压电路对X射线条纹相机成像稳定性的影响[J].深圳大学学报理工版,2017,34(5):532-536.[doi:10.3724/SP.J.1249.2017.05532]
　Gu Li,Li Xiang,Zong Fangke,et al.Influence of voltage divider circuit on imaging stability of X-ray streak camera[J].Journal of Shenzhen University Science and Engineering,2017,34(5):532-536.[doi:10.3724/SP.J.1249.2017.05532]
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分压电路对X射线条纹相机成像稳定性的影响()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第34卷
期数:
2017年第5期
页码:
532-536
栏目:
光电工程
出版日期:
2017-09-20

文章信息/Info

Title:
Influence of voltage divider circuit on imaging stability of X-ray streak camera
文章编号:
201705015
作者:
顾礼1; 2; 李翔3; 宗方轲1; 2; 周军兰1; 杨勤劳1; 郭宝平1
1）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
2）深圳大学信息工程学院，广东深圳518060；3）深圳大学高等研究院，广东深圳518060
Author(s):
Gu Li1; 2;  Li Xiang3;  Zong Fangke1; 2;  Zhou Junlan1;  Yang Qinlao1;  and Guo Baoping1
1) College of Optoelectronic Engineering, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R.China
2) College of Information Engineering, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R.China
3) Institute for Advanced Study, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R.China
关键词:
光电子学与激光技术; 惯性约束聚变; 核仪器; X射线条纹相机; 条纹变像管; 分压电路; 调制传递函数
Keywords:
optoelectronics and laser technology;  inertial confinement fusion;  nuclear instrumentation;  X-ray streak camera;  streak tube;  voltage divider circuit;  modulation transfer function
分类号:
TL 65.1；TB 872
DOI:
10.3724/SP.J.1249.2017.05532
文献标志码:
A
摘要:
在X射线条纹相机静态测试中，发现分压电路的稳定性显著影响条纹相机成像性能．为提高成像稳定性，对分压电路进行测试，发现分压电路输出不稳定性由电流热效应导致，对此采用小电流分压电路方法，以降低电流热效应．测试和比较了两种分压电路的电压和电流输出，条纹相机静态成像性能和系统调制传递函数．理论分析和实验结果表明，相机在使用小电流分压电路加电20 min后，工作电流、温度及电子透镜焦距分别改变了1.4%、7.5%和0.14%，静态成像以及系统调制传递函数均优于原有方法．
Abstract:
In the static test of the X-ray streak camera,it is shown that the stability of the voltage divider circuit significantly affects the imaging performance of the streak camera. In order to improve the imaging stability, we analyze the voltage divider circuit. We find that the output instability of the voltage divider circuit is caused by the current thermal effect.The voltage circuit with smaller current is adopted to reduce the current thermal effect. We test and compare the voltages, current outputs, the static imaging performances of the streak cameras and the system modulation transfer functions for the two voltage dividers. Both theoretical analysis and experimental results show that after the camera has been powered with the smaller current divider circuit for 20 min, the operating current, the system temperature and electron lens focal length change by 1.4%, 7.5% and 0.14%, respectively.And the static image quality and modulation transfer function are improved.

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备注/Memo

备注/Memo:
Received：2017-03-30；Accepted：2017-06-01
Foundation：National Key Scientific Instrument and Equipment Development Projects (2014YQ230659)；National Natural Science Foundation of China (11705119)；Natural Science Foundation of Guangdong Province (2017A030310142)；Shenzhen Science and Technology Project (JCYJ20170302152748002)
Corresponding author：Professor Yang Qinlao. E-mail: qlyang@szu.edu.cn
Citation：Gu Li, Li Xiang, Zong Fangke, et al. Influence of voltage divider circuit on imaging stability of X-ray streak camera［J］. Journal of Shenzhen University Science and Engineering, 2017, 34(5): 532-536.（in Chinese）
基金项目：国家重大科学仪器设备开发专项资助项目（2014YQ 230659）；国家自然科学基金资助项目（11705119）；广东省自然科学基金项目(2017A030310142)；深圳市科技计划资助项目(JCYJ20170302152748002)
作者简介：顾礼(1983—)，男，深圳大学博士后研究人员．研究方向：超快诊断技术．E-mail：flutelad@126.com
引文：顾礼，李翔，宗方轲，等. 分压电路对X射线条纹相机成像稳定性影响［J］. 深圳大学学报理工版，2017，34(5)：532-536.
更新日期/Last Update: 2017-09-05