| 多腔虚阴极振荡器研究 |
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| 引用本文： | 李志强,舒挺,钟辉煌,樊玉伟,杨建华,许流荣,赵延宋.多腔虚阴极振荡器研究[J].强激光与粒子束,2009,21(3). |
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| 作者姓名： | 李志强 舒挺 钟辉煌 樊玉伟 杨建华 许流荣 赵延宋 |
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| 作者单位： | 国防科技大学 光电科学与工程学院， 长沙 410073 |
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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： | 提出了一种具有预调制腔、主谐振腔和提取腔组成的多腔轴向提取虚阴极振荡器结构。腔体特性分析表明其在工作频段可以获得更高的提取效率。粒子模拟显示该结构在电压700 kV，电流23 kA的条件下，可输出功率大于1.7 GW,频率4.0 GHz，功率效率大于10％的微波。初步的实验研究获得了辐射功率约700 MW,频率约4.1 GHz的微波输出。对实验结果的进一步分析表明，通过适当加大器件虚阴极振荡工作区微波管直径的方法可以有效改善器件的谐振性能，从而获得更好的工作性能。
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| 关 键 词： | 高功率微波 虚阴极振荡器 谐振腔 粒子模拟 |
| 收稿时间： | 1900-01-01; |
Investigation of an axially-extracted vircator with several resonant cavities |
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| Li Zhiqiang,Shu Ting,Zhong Huihuang,Fan Yuwei,Yang Jianhua,Xu Liurong,Zhao Yansong.Investigation of an axially-extracted vircator with several resonant cavities[J].High Power Laser and Particle Beams,2009,21(3). |
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| Authors: | Li Zhiqiang Shu Ting Zhong Huihuang Fan Yuwei Yang Jianhua Xu Liurong Zhao Yansong |
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| Institution: | College of Optoelectrical Science and Technology, National University of Defense Technology, Changsha 410073, China |
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| Abstract: | A new configuration of an axially-extracted vircator with several resonant cavities was put forward. Electromagnetic feature analysis shows this structure can get higher extraction efficiency. Particle simulation indicates this device can produce of 4.0 GHz microwave with an averaged power of over 1.7 GW a quasi-single TM01 mode under the diode voltage of 700 kV and the beam current of 23 kA. The power conversion efficiency is more than 10%. In the following experiment, the 410 GHz microwave with an output power of over 700 MW. |
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| Keywords: | vircator resonant cavity particle simulation |
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