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亚纳秒脉冲高电压测量探头
引用本文:卫兵,方东凡,卿燕玲,孙奇志,丰树平,杨礼兵.亚纳秒脉冲高电压测量探头[J].强激光与粒子束,2012,24(6):1497-1501.
作者姓名:卫兵  方东凡  卿燕玲  孙奇志  丰树平  杨礼兵
作者单位:1.中国工程物理研究院 流体物理研究所, 四川 绵阳 621 900
基金项目:国家自然科学基金青年基金项H
摘    要:为测量紧凑型快前沿高电压脉冲源的输出电压,设计了D-dot电压探头。分别进行了刻度因素标定和频响标定,采用前沿约50 ns的高压脉冲信号对探头进行在线标定确定探头的刻度因素。将探头安装在阻抗为50 的传输线上,用亚纳秒脉冲源进行频响标定,表明该探头的响应约为150 ps。高压实验结果表明该探头能够正确获取高电压快脉冲信号,工作稳定可靠。

关 键 词:亚纳秒脉冲高电压    D-dot探头    频率响应    标定
收稿时间:2011/8/30

D-dot monitor for sub-nanosecond high voltage pulse measurement
Wei Bing , Fang Dongfan , Qing Yanling , Sun Qizhi , Feng Shuping , Yang Libing.D-dot monitor for sub-nanosecond high voltage pulse measurement[J].High Power Laser and Particle Beams,2012,24(6):1497-1501.
Authors:Wei Bing  Fang Dongfan  Qing Yanling  Sun Qizhi  Feng Shuping  Yang Libing
Affiliation:1.Institute of Fluid Physics,CAEP,P.O.Box 919-108,Mianyang 621900,China
Abstract:A kind of D-dot monitor has been designed to measure the high voltage pulse on an impedance transformer line of compact fast rise time pulse generator. The scaling factor of the D-dot monitor was calibrated in-situ by using a calibrated resistive divider and a high voltage pulse whose rise time is about 50 ns. The response of the monitor was tested by using a 50 Ω transmission line installed with the D-dot monitor. When the rise time of input pulse is about 320 ps, the rise time of the pulse output by the D-dot monitor is about 350 ps. The response of the D-dot monitor is about 150 ps. Thus the monitor can measure the voltage pulses with the rise time exceeding 450 ps. The experiment results indicate that the D-dot monitor can reliably and accurately measure the sub-nanosecond high voltage pulses.
Keywords:sub-nanosecond high voltage pulse  D-dot monitor  frequency response  calibration
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