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| 1THz回旋管双阳极磁控注入电子枪的分析及设计 | |
| 引用本文： | 陈旭霖,赵青,刘建卫,郑灵. 1THz回旋管双阳极磁控注入电子枪的分析及设计[J]. 物理学报, 2012, 61(7): 74104-074104 |
| 作者姓名： | 陈旭霖 赵青 刘建卫 郑灵 |
| 作者单位： | 电子科技大学物理电子学院, 成都610054 |
| 基金项目： | 四川科技支撑计划基金(批准号:2010G20157)和国防科技重点实验室基金(批准号:NKLC001102,W0411124)资助的课题. |
| 摘 要： | 基于电子光学理论,通过编程进行大量的数值计算,设计了一支用于1THz回旋管的双阳极磁控注入式电子枪.对双阳极磁控注入电子枪的计算及设计进行了阐述,并对1 THz回旋管电子枪中高磁压缩比(fm=125)可能导致电子反转的问题进行了详细的分析和模拟.通过对电子枪进行了仿真和优化,最后计算和设计了一支速度比适中(α=1.3),速度零散较小(Δβ<8%) 的电子枪. |
| 关 键 词： | 1THz回旋管 双阳极磁控注入枪 高磁压缩比 |
| 收稿时间： | 2011-05-12 |
Analysis and design of a double-anode magnetron injection gun for 1THz gyrotron |
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| Chen Xu-Lin,Zhao Qing,Liu Jian-Wei,Zheng Ling. Analysis and design of a double-anode magnetron injection gun for 1THz gyrotron[J]. Acta Physica Sinica, 2012, 61(7): 74104-074104 | |
| Authors: | Chen Xu-Lin Zhao Qing Liu Jian-Wei Zheng Ling |
| Affiliation: | Institute of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China |
| Abstract: | Based on the electron optics theory, through a massive numerical calculation by programming, a double-anode magnetron injection gun (MIG) for a 1THz gyrotron is designed. The method of calculation and design of MIG is expounded, and the problem that high magnetic compression ratio in THz gyrotron(compression ratio of 125 in electron gun for 1THz gyrotron in this paper)could lead to the reversal of direction of electron flow is also detailedly analyzed and simulated. Through simulation and optimization, an MIG with a modest velocity ratio of the beam (α=1.3) and a low velocity spread (Δβ<8%) is designed. |
| Keywords: | 1THz gyrotron magnetron injection gun high magnetic compression ratio |
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