| 可调间隙亚纳秒气体开关的研制 |
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| 引用本文： | 张现福,陆巍,陈志刚,谢平,廖勇,杨周炳,刘天文.可调间隙亚纳秒气体开关的研制[J].强激光与粒子束,2008,20(4):697-700. |
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| 作者姓名： | 张现福 陆巍 陈志刚 谢平 廖勇 杨周炳 刘天文 |
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| 作者单位： | 中国工程物理研究院 应用电子学研究所，四川 绵阳 621900 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 设计了一种高工作电压、高重复频率的亚纳秒气体开关，该开关由Peaking间隙和Chopping间隙组成，可以将纳秒信号转化为亚纳秒脉冲。开关腔外有两组调节旋钮，分别用来调节Peaking间隙和Chopping间隙，使输入脉冲的前后沿能同时得到锐化。对设计的开关进行的实验研究结果表明：在系统重频5 Hz运行时，开关能稳定输出电压278 kV、脉宽620 ps的脉冲；在系统重频100 Hz运行时，开关能稳定输出电压270 kV、脉宽700 ps的脉冲。
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| 关 键 词： | 脉冲功率源 可调间隙开关 亚纳秒脉冲 气体开关 锐化 |
| 收稿时间： | 2007/9/3 |
Development of sub-nanosecond gas switch with adjustable gap |
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| ZHANG Xian-fu,LU Wei,CHEN Zhi-gang,XIE Ping,LIAO Yong,YANG Zhou-bing,LIU Tian-wen.Development of sub-nanosecond gas switch with adjustable gap[J].High Power Laser and Particle Beams,2008,20(4):697-700. |
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| Authors: | ZHANG Xian-fu LU Wei CHEN Zhi-gang XIE Ping LIAO Yong YANG Zhou-bing LIU Tian-wen |
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| Institution: | Institute of Applied Electronics， CAEP， P. O. Box 919-1015，Mianyang 621900，China |
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| Abstract: | A high voltage and high repetition rate sub-nanosecond gas switch is designed. Rise-time and fall-time of a sharpened pulse can be varied by turning two group of rotary knobs outside the cavity to adjust the peaking and chopping spaces. Results of experiments prove that the switch can work steadily at 5 Hz repetition rate and output a pulse with 278 kV peak voltage and 620 ps width, or works at 100 Hz repetition rate and output a pulse with 270 kV peak voltage and 700 ps width. The switch has been successfully used in high power pulse systems. |
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| Keywords: | Adjustable space switch Sub-nanosecond pulse Gas switch Peaking-chopping |
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