| Dispersion Equation of the Coaxial-Radial Line |
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| 作者姓名： | 王文祥 岳玲娜 余国芬 宫玉彬 |
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| 作者单位： | National Key Laboratory of High-power Vacuum Electronics，UESTC Chengdu 610054 China，National Key Laboratory of High-power Vacuum Electronics，UESTC Chengdu 610054 China，National Key Laboratory of High-power Vacuum Electronics，UESTC Chengdu 610054 China，National Key Laboratory of High-power Vacuum Electronics，UESTC Chengdu 610054 China |
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| 基金项目： | Supported by the Fund of National Key Laboratory (No.51440020101DZ7604) |
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| 摘 要： | As an component of beam-wave interaction of a travelling-wave tube (TWT), the slow-wave system directly influences the TWT’s properties. Helix TWTs have very wide bandwidth but small thermal dissipation, therefore their power capacity are limited. While coupled-cavity TWTs are capable of producing high power but their operation bandwidths are much narrower than those of helix TWTs. It seems difficult to meet both high power and broad bandwidth simultaneously. With the development of rec…
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Dispersion Equation of the Coaxial-Radial Line |
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| Wang Wenxiang,YUE Lingna,YU Guofen,Gong Yubing,HUANG Minzhi.Dispersion Equation of the Coaxial-Radial Line[J].Journal of Electronic Science Technology of China,2004,2(1). |
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| Authors: | Wang Wenxiang YUE Lingna YU Guofen Gong Yubing HUANG Minzhi |
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| Abstract: | An all-metal slow-wave structure, coaxial-radial line, which is suitable for application in broadband high power traveling wave tube (TWT) and relativistic TWT as a RF system is introduced. Making use of the field matching method and variational method together with the orthogonality of the Bessel function and the Floquet Theroem for the periodic system, the dispersion characteristic expression is derived. This equation is more rigorous than that of precious reports. |
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| Keywords: | traveling wave tube high-power microwave slow-wave structure dispersion coaxial-radial line |
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