| 基于光导开关的重复频率闪光X光机北大核心CSCD |
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| 引用本文： | 马勋,袁建强,刘宏伟,王凌云,姜苹,李洪涛.基于光导开关的重复频率闪光X光机北大核心CSCD[J].强激光与粒子束,2016,28(7):075008-153. |
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| 作者姓名： | 马勋 袁建强 刘宏伟 王凌云 姜苹 李洪涛 |
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| 作者单位： | 1.中国工程物理研究院 流体物理研究所, 脉冲功率科学与技术重点实验室, 四川 绵阳 621 900 |
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| 基金项目： | 国家自然科学基金项目(51207147；51477185；51407110)；中国工程物理研究院科学技术发展基金项目 |
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| 摘 要： | 采用砷化镓光导开关和Blumlein型脉冲形成网络以级联的拓扑形式构建平顶输出功率源,驱动工业X光二极管产生X射线。提出了一种轮辐状金属-陶瓷沿面阴极,并与普通金属阴极工业X光二极管重复频率实验结果进行比较。研究表明:受限于阴极重复频率下的电流发射能力,普通金属阴极工业X光二极管难以实现1kHz重复频率,采用新型阴极二极管实现了1kHz重复频率2猝发脉冲X光输出,这两个脉冲的二极管功率、X射线信号基本一致。
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| 关 键 词： | 闪光X光机 光导开关 级联Blumlein型脉冲形成网络 X光二极管 重复频率 |
| 收稿时间： | 2015-10-27 |
Repetitive rate flash X-ray generator with photo conductive semiconductor switches |
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| Institution: | 1.Key Laboratory of Pulsed Power,Institute of Fluid Physics,CAEP,P.O.Box 919-108,Mianyang 621900,China |
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| Abstract: | A repetitive rate flash X-ray generator was developed recently to meet the demands in scientific research and industrial area. A repetitive pulsed power supply was fabricated with GaAs photo conductive semiconductor switches and stacked Blumlein pulse forming networks to drive industrial X-ray diode, and a novel X-ray diode was proposed with spoked metal ceramic flashover cathode. The results show that 2 pulse burst X rays were generated under 1 kHz frame rate with novel cathode, and the two power pulses of diode and X-ray signals were identical. |
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