| 重复频率强流电子束二极管实验研究 |
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| 引用本文： | 张永辉,马乔生,常安碧,周传明,甘延青,刘忠. 重复频率强流电子束二极管实验研究[J]. 强激光与粒子束, 2004, 16(11): 1437-1440 |
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| 作者姓名： | 张永辉 马乔生 常安碧 周传明 甘延青 刘忠 |
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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;中国工程物理研究院,研究生部,北京,100088;中国工程物理研究院,应用电子学研究所,四川,绵阳,621900;中国工程物理研究院,四川,绵阳,621900 |
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| 基金项目： | 国家863计划项目资助课题，中国工程物理研究院基金资助课题(20020430) |
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| 摘 要： | 采用静电场模拟对二极管结构及导引磁场位形分布进行了优化设计，利用设计的二极管在高压脉冲发生器上进行了重复频率运行实验研究，给出了相应测试波形，并对不同材料阴极、不同真空度情况下二极管的发射特性进行了比较。在二极管真空度满足一定要求（p＜0.01Pa）条件下以在重复频率方式运行时，不论是石墨阴极还是金属阴极，输出电子束流都比较稳定。设计的二极管电子束电压超过500kV，电流约5kA，脉冲宽度40ns，重复频率100Hz。
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| 关 键 词： | 二极管 重复频率 强流电子束 磁场设计 |
| 文章编号： | 1001-4322(2004)11-1437-04 |
| 收稿时间： | 2004-07-22 |
| 修稿时间： | 2004-01-04 |
Study of repetition rate and intense current electron-beam diodes |
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| ZHANG Yong-hui. Study of repetition rate and intense current electron-beam diodes[J]. High Power Laser and Particle Beams, 2004, 16(11): 1437-1440 |
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| Authors: | ZHANG Yong-hui |
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| Affiliation: | 1. Institute of Applied Electronics,CAEP, P.O.Box 919 1015, Mianyang 621900, China;2. Graduate School of CAEP, Beijing 100088, China;3. China Academy of Engineering Physics, Mianyang 621900, China |
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| Abstract: | Based on the static electric-field simulation, the structures of diode and insulator, as well as the position and shape of guiding magnetic-field are designed and optimized. Then the experiments of repetition rate and intense current electron-beam diode are carried out on high voltage generator, and the experimental waveforms are brought forth. The compares of the cathode emission character at different vacuum and different cathode materials are presented. The output electron-beam current of graphite and metal cathode are both stable with repetition rate at the candition of p<0.01Pa. The designed diode can deliver intense electron-beam pulse of 500kV/5kA, pulse width 40ns, repetition rate 100Hz. |
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| Keywords: | Diode Repetition rate Intense electron-beam Design of magnetic field |
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