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磁绝缘传输线振荡器中的次级电子倍增现象
引用本文:郝建红,丁武,董志伟.磁绝缘传输线振荡器中的次级电子倍增现象[J].物理学报,2006,55(9):4789-4794.
作者姓名:郝建红  丁武  董志伟
作者单位:(1)北京应用物理与计算数学研究所,北京 100088; (2)华北电力大学信息工程系,北京 100201
基金项目:国家高技术研究发展计划(863计划)
摘    要:根据磁绝缘传输线振荡器(MILO)的结构特点,建立了一个单边次级电子倍增(multipactor)模型,通过对敏感曲线、相位聚焦的计算,分析了MILO中发生multipactor的物理图象.结果表明:从聚焦区域大小看,单边发生multipactor 比双边要严重.在MILO中发生的multipactor都属于单边模式,并且有出现电子掠入射金属表面的大量机会,因此它发生multipactor比O型器件严重. 关键词: 磁绝缘传输线振荡器 次级电子倍增效应 脉冲缩短

关 键 词:磁绝缘传输线振荡器  次级电子倍增效应  脉冲缩短
文章编号:1000-3290/2006/55(09)/4789-06
收稿时间:9/1/2005 12:00:00 AM
修稿时间:2005-09-012005-10-14

Moltipactor discharge in a magnetically insulated transmission line oscillator
Hao Jian-Hong,Ding Wu,Dong Zhi-Wei.Moltipactor discharge in a magnetically insulated transmission line oscillator[J].Acta Physica Sinica,2006,55(9):4789-4794.
Authors:Hao Jian-Hong  Ding Wu  Dong Zhi-Wei
Institution:1 Department of Information Engineering, North China Electric Power University, Beijing 100201, China; 2 Institute of Applied Physics and Computation Mathematics, Beijing 100088, China
Abstract:According to the structure characteristic of the magnetically insulated transmission line oscillator (MILO), a one-sided multipactor discharge model is present. Through the calculations of the susceptibility curves and phase focusing effect, the physical conditions of the multipactor discharge occurring in the MILO are analyzed. The results show that one-sided multipactor modes have a wider phase focusing range than two-sided modes, and there is many chances for electronic grazing incidence on the metal surface for MILO. So the multipactor discharge is more serious for MILO than O-type devices.
Keywords:magnetically insulated transmission line oscillator (MILO)  multipactor effect  pulse shorting
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