| 2 MV激光触发气体开关实验研究 |
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| 引用本文： | 张国伟,曾正中,王亮平,张信军,吴撼宇,吴坚,丛培天. 2 MV激光触发气体开关实验研究[J]. 强激光与粒子束, 2012, 24(3): 549-553. DOI: 10.3788/HPLPB20122403.0549 |
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| 作者姓名： | 张国伟 曾正中 王亮平 张信军 吴撼宇 吴坚 丛培天 |
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| 作者单位： | 1.西北核技术研究所, 西安 71 0024 |
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| 摘 要： | 介绍了2 MV激光触发多级气体开关在强光一号加速器上的实验研究工作。给出了实验方案，激光触发信号采用轴向引入的方法，激光光路穿过二极管，沿水线轴向引入开关；分析了开关自击穿实验和触发实验的实验结果，总结了实验中出现的问题并对其原因进行了分析，提出了改进措施。 结果表明，开关最大工作电压2 MV,最大电流大于600 kA，当欠压比88.3%时，激光触发开关的平均延时34.2 ns，抖动小于3.86 ns。
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| 关 键 词： | 激光触发 气体开关 延时 抖动 自击穿 |
| 收稿时间： | 2011-11-15 |
Experimental research of 2 MV laser triggered gas switch |
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| Zhang Guowei , Zeng Zhengzhong , Wang Liangping , Zhang Xinjun , Wu Hanyu , Wu Jian , Cong Peitian. Experimental research of 2 MV laser triggered gas switch[J]. High Power Laser and Particle Beams, 2012, 24(3): 549-553. DOI: 10.3788/HPLPB20122403.0549 |
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| Authors: | Zhang Guowei Zeng Zhengzhong Wang Liangping Zhang Xinjun Wu Hanyu Wu Jian Cong Peitian |
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| Affiliation: | 1.Northwest Institute of Nuclear Technology,P.O.Box 69-10,Xi’an 710024,China |
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| Abstract: | The paper presents the experimental investigation of laser triggered gas switch on Qiangguang-Ⅰ accelerator. In the experiments, the laser was transmitted along the axes of the water line through the diode. The results of self-breakdown experiments and trigger experiments are presented and analyzed. At the undervoltage ratio of 88.3%, the average delay of the laser triggered gas switch is 34.2 ns, and the time jitter is less than 3.86 ns, when the maximal operating voltage is 2 MV and the maximal current is over 600 kA. The problems occurring during experiments are summarized and analyzed, and corresponding improvement measures are proposed. |
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| Keywords: | laser trigger gas switch delay jitter self-breakdown |
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