| 一种新型双间隙输出腔的理论和实验研究 |
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| 引用本文： | 崔学芳,刘庆想,李旭东,范植开. 一种新型双间隙输出腔的理论和实验研究[J]. 强激光与粒子束, 2001, 13(2): 204-208 |
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| 作者姓名： | 崔学芳 刘庆想 李旭东 范植开 |
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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 高功率微波技术研究室，四川 绵阳 621900 |
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| 基金项目： | 国家 8 6 3高功率微波技术领域资助课题! (86 3-4 10 -7) |
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| 摘 要： | 从双间隙分离腔的色散关系式出发，通过数值计算求出了分离腔中IM010模对应的谐振频率，并给出了腔内轴向电场的分布图，证实了分离腔中存在着电场反相的π模场。因此，可以将其用作电场反相的双间隙输出腔，来实现双间障提取。并用2.5维粒子模拟程序——卡拉特（KARAT）程序对这种分离腔输出回路进行了粒子模拟和优化设计。通过详细的冷测和调试实验，研制出了中心频率为3.74GHz、QL值为7.8的低QL值双间隙输出腔。
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| 关 键 词： | 双间隙输出腔 分离腔 高频特性 阻抗匹配 |
| 文章编号： | 1001—4322(2001)02—0204—05 |
| 收稿时间： | 2000-11-27 |
| 修稿时间： | 2000-11-27 |
Theory analysis and experiment investigations of an original double gap cavity |
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| CUI Xue-fang,LIU Qing-xiang,LI Xu-dong,FAN Zhi-kai. Theory analysis and experiment investigations of an original double gap cavity[J]. High Power Laser and Particle Beams, 2001, 13(2): 204-208 |
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| Authors: | CUI Xue-fang LIU Qing-xiang LI Xu-dong FAN Zhi-kai |
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| Affiliation: | Institute of Applied Electronic, CAEP, P.O.Box 919-1015, Mianyang 621900, China |
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| Abstract: | Starting from the cold dispersion relation, which is employed to numerically calculate eigenfrequencies for the double-gap split cavity, thereby the resonant frequency for the split cavity TM010 mode are obtained and the distributing character of π-mode are discussed. Accordingly, the split cavity can be used as double-gap output cavity. And then the double-gap output cavity is designed by using the 2.5D, relativistic, fully electromagnetic, PIC code KARAT, and more optimizing the construct of output cavity. At last by modulating the different construct parameters, the cold tests are carried on, and by which the low-QL output cavity of center frequency 3.74GHz and 7.8 of load QL is developed. |
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| Keywords: | double gap output cavity the split cavity high frequency character impedance matching |
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