| 双注磁控注入电子枪 |
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| 引用本文： | 刘冲,赵青,胡以怀,马春光,林叶春,王海燕,李精明,武起立.双注磁控注入电子枪[J].强激光与粒子束,2014,26(8):083005. |
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| 作者姓名： | 刘冲 赵青 胡以怀 马春光 林叶春 王海燕 李精明 武起立 |
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| 作者单位： | 1.电子科技大学 物理电子学院, 成都 61 1 731 ; |
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| 基金项目： | 国家国际科技合作专项项目 (2011DFA63190) |
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| 摘 要： | 为了增加回旋管的功率,采用双注磁控注入电子枪产生相对论电子注。与双阳极磁控注入电子枪相比,双注磁控注入电子枪产生双束电子注,在不影响电子注质量的基础上,增加电子枪的电流;电子枪产生相同电流时,双注磁控注入电子枪电子注电流小,电子注电子之间的空间电荷效应小,能够降低电子注的速度零散,提高电子注的质量。采用MAGIC软件数值模拟双注磁控注入电子枪,设计出一支大束流、低速度零散的双注磁控注入电子枪。
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| 关 键 词： | 回旋管 双注磁控注入电子枪 电子注 速度零散度 |
| 收稿时间： | 2013/11/17 |
Double-beam magnetron injection gun |
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| Institution: | 1.School of Physical Electronics,University of Electronic Science and Technology of China,Chengdu 611731,China;2.Merchant Marine College,Shanghai Maritime University,Shanghai 201306,China |
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| Abstract: | A double-beam magnetron injection gun was used to improve the output power of gyrotrons. A double-beam magnetron injection gun can output two relativistic electron beams, which is a better way to raise the current of the magnetron injection gun without reducing the quality of electron beams. Compared with the double-anode magnetron injection gun with the same output current, the double-beam magnetron injection gun can reduce velocity spread and improve the quality of electron beams, because of its smaller influence of the space charge. Using the software MAGIC, a double-beam magnetron injection gun with a modest velocity ratio and a low velocity spread of electron beams was designed. |
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| Keywords: | gyrotron double-beam magnetron injection gun electron beam velocity spread |
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