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A theoretical analysis of the high frequency characteristics for an all-metal slow-wave system (SWS), i.e., a sine waveguide, is performed in this paper. The continuous profile of the cosine groove is approximated by a series of connected rectangular steps, and the SWS is divided into several regions reasonably, then the expressions of the field in all the regions are given. The dispersion equation and coupling impedance formula of the SWS are obtained by using the field matching theory combined with the matching of the admittance. The high frequency characteristics for a sine waveguide used in a 220 GHz TWT are discussed, and the calculation results are in good agreement with those obtained from three-dimensional electromagnetic simulation software CST-MWS. The effects of the geometrical parameters on high frequency characteristic of the sine waveguide are also investigated in detail.
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Keywords:
- slow-wave structure /
- high frequency characteristics /
- sine waveguide /
- field matching method
[1] Booske J H, Dobbs R J, Joye C D, Kory C L, Neil G R, Park G S, Park J, Temkin R J 2011 IEEE Trans. Terahertz Sci. Technol. 1 54
[2] Booske J H 2008 Phys. Plasmas 15 055502
[3] Ives R L 2004 IEEE Trans. Plasma Sci. 32 1277
[4] Liu Q L, Wang Z C, Liu P K 2012 Acta Phys. Sin. 61 124101 (in Chinese) [刘青伦, 王自成, 刘濮鲲 2012 物理学报 61 124101]
[5] He J, Wei Y Y, Gong Y B, Duan Z Y, Wang W X 2010 Acta Phys. Sin. 59 2843 (in Chinese) [何俊, 魏彦玉, 宫玉彬, 段兆云, 王文祥 2010 物理学报 59 2843]
[6] Gao P, Booske J H, Yang Z 2010 IEEE Trans. Electron Dev. 57 1152
[7] Shin Y M, Baig A, Barnett L R, Tsai W C, Luhmann N C 2012 IEEE Trans. Electron Dev. 59 234
[8] Xu X, Wei Y Y, Shen F, Duan Z Y, Gong Y B, Yin H R, Wang W X 2011 IEEE Electron Dev. Lett. 32 1152
[9] Xu X, Wei Y Y, Shen F, Yin H R, Xu J, Gong Y B, Wang W X 2012 Phys. Plasmas 19 013113
[10] Xu X, Wei Y Y, Shen F, Yin H R, Xu J, Gong Y B, Wang W X 2012 Chin. Phys. B 21 068402
[11] Xu X 2012 Ph. D. Dissertation (Chengdu: University of Electronic Science and Technology of China) (in Chinese) [许雄 2012 博士学位论文 (成都: 电子科技大学)]
[12] Liu Q L, Wang Z C, Liu P K 2012 Acta Phys. Sin. 61 244102 (in Chinese) [刘青伦, 王自成, 刘濮鲲 2012 物理学报 61 244102]
[13] Lu Z G, Wei Y Y, Gong Y B, Wu Z M, Wang W X 2007 Acta Phys. Sin. 56 3318 (in Chinese) [路志刚, 魏彦玉, 宫玉彬, 吴周淼, 王文祥 2007 物理学报 56 3318]
[14] Wang W X, Guo F Y, Wei Y Y 1997 IEEE Trans. Microw. Theory Tech. 45 1689
[15] Wei Y Y, Wang W X, Sun J H 2000 IEEE Microw. Guided Wave Lett. 10 4
[16] Maragos A A, Ioannidis Z C, Tigeli L G 2003 IEEE Trans. Plasma Sci. 31 1075
[17] Liu S G, Li H F, Wang W X, Mo Y L 1985 Introduction of Microwave Electronics (Beijing: National Defence Industry Press) p110 ( in Chinese) [刘盛纲, 李宏福, 王文祥, 莫元龙 1985 微波电子学导论 (北京: 国防工业出版社) 第110页]
[18] Li Q Y, Wang N C, Yi D Y 2008 Numerical Analysis (Beijing: Qinghua University Press) p228 (in Chinese) [李庆扬, 王能超, 易大义 2008 数值分析 (北京: 清华大学出版社) 第228页]
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[1] Booske J H, Dobbs R J, Joye C D, Kory C L, Neil G R, Park G S, Park J, Temkin R J 2011 IEEE Trans. Terahertz Sci. Technol. 1 54
[2] Booske J H 2008 Phys. Plasmas 15 055502
[3] Ives R L 2004 IEEE Trans. Plasma Sci. 32 1277
[4] Liu Q L, Wang Z C, Liu P K 2012 Acta Phys. Sin. 61 124101 (in Chinese) [刘青伦, 王自成, 刘濮鲲 2012 物理学报 61 124101]
[5] He J, Wei Y Y, Gong Y B, Duan Z Y, Wang W X 2010 Acta Phys. Sin. 59 2843 (in Chinese) [何俊, 魏彦玉, 宫玉彬, 段兆云, 王文祥 2010 物理学报 59 2843]
[6] Gao P, Booske J H, Yang Z 2010 IEEE Trans. Electron Dev. 57 1152
[7] Shin Y M, Baig A, Barnett L R, Tsai W C, Luhmann N C 2012 IEEE Trans. Electron Dev. 59 234
[8] Xu X, Wei Y Y, Shen F, Duan Z Y, Gong Y B, Yin H R, Wang W X 2011 IEEE Electron Dev. Lett. 32 1152
[9] Xu X, Wei Y Y, Shen F, Yin H R, Xu J, Gong Y B, Wang W X 2012 Phys. Plasmas 19 013113
[10] Xu X, Wei Y Y, Shen F, Yin H R, Xu J, Gong Y B, Wang W X 2012 Chin. Phys. B 21 068402
[11] Xu X 2012 Ph. D. Dissertation (Chengdu: University of Electronic Science and Technology of China) (in Chinese) [许雄 2012 博士学位论文 (成都: 电子科技大学)]
[12] Liu Q L, Wang Z C, Liu P K 2012 Acta Phys. Sin. 61 244102 (in Chinese) [刘青伦, 王自成, 刘濮鲲 2012 物理学报 61 244102]
[13] Lu Z G, Wei Y Y, Gong Y B, Wu Z M, Wang W X 2007 Acta Phys. Sin. 56 3318 (in Chinese) [路志刚, 魏彦玉, 宫玉彬, 吴周淼, 王文祥 2007 物理学报 56 3318]
[14] Wang W X, Guo F Y, Wei Y Y 1997 IEEE Trans. Microw. Theory Tech. 45 1689
[15] Wei Y Y, Wang W X, Sun J H 2000 IEEE Microw. Guided Wave Lett. 10 4
[16] Maragos A A, Ioannidis Z C, Tigeli L G 2003 IEEE Trans. Plasma Sci. 31 1075
[17] Liu S G, Li H F, Wang W X, Mo Y L 1985 Introduction of Microwave Electronics (Beijing: National Defence Industry Press) p110 ( in Chinese) [刘盛纲, 李宏福, 王文祥, 莫元龙 1985 微波电子学导论 (北京: 国防工业出版社) 第110页]
[18] Li Q Y, Wang N C, Yi D Y 2008 Numerical Analysis (Beijing: Qinghua University Press) p228 (in Chinese) [李庆扬, 王能超, 易大义 2008 数值分析 (北京: 清华大学出版社) 第228页]
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