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A novel slow-wave structure (SWS), the folded double-ridged waveguide structure, is presented and its properties used for wide-band traveling-wave tube (TWT) are investigated. A Ka-band folded double-ridged waveguide TWT is modeled by Magic 3D and the beam-wave interaction is simulated and analyzed. Within the same beam condition, it is concluded from the comparison of folded double-ridged waveguide TWT and folded waveguide TWT that: in the condition of similar gain maximum, the folded double-ridged waveguide TWT has wider bandwidth of which is 22%, and higher electron efficiency of which is 9%.
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Keywords:
- folded double-ridged waveguide /
- high frequency characteristics /
- beam-wave interaction /
- bandwidth
[1] [1]Wei Y Y, Wang W X, Sun J H, Liu S G 2002 Chin. Phys. 11 277
[2] [2]Lu Z G, Gong Y B, Wei Y Y, Wang W X 2006 Chin. Phys. 15 2661
[3] [3]Wei Y Y, Wang W X, Gong Y B, Zhou P 2000 Acta Phys. Sin. 49 949 (in Chinese) [魏彦玉、王文祥、宫玉彬、周鹏 2000 物理学报 49 949]
[4] [4]Li J Q, Mo Y L 2006 Acta Phys. Sin. 8 4117
[5] [5]Haddad G I, Trew R J 2002 IEEE Trans. Microwave Theor. Technol. 50 760
[6] [6]Bhattacharjee S, Booske J H, Kory C L, Weide D W, Limbach S, Gallagher S, Welter J D, Lopez M R, Gilgenbach R M, Ives R L, Read M E, Divan R, Mancini D C 2004 IEEE Trans. Plasma Sci. 32 1002
[7] [7]Kory C L, Booske J H, Lee W J, Gallagher S, Weide D W, Limbach S, Bhattacharjee S 2002 IEEE MIT-S Digest 1265
[8] [8]Hopfer S 1955 IRE Trans. Microwave Theor. Technol. MTT-3, 20
[9] [9]Cohen S B 1947 Proc. IRE. December 1947 35 783
[10] ]Collin R E 1960 Field Theory of Guided Waves(New York: McGraw Hill)338—346
[11] ]Zhang K Q, Li D J 2001 Electromagnetic Theory for Microwaves and Optoelectronics (Beijing: Publishing House of Electronics Industry) p403(in Chinese) [张克潜、李德杰 2001 微波与光电子学中的电磁理论 (北京:电子工业出版社) 第403页]
[12] ]Han S T 2004 Ph. D. Dissertation (Seoul:Seoul National University)
[13] ]Han S T, Jang K H, So J K, Kim J L, Shin Y M, Ryskin N R, Chang S S, Park G S 2004 IEEE Transc. Plasma Sci. 32 60
[14] ]Wang W X 2005 Microwave Engineering Technology (Beijing: National Defense Industry Press) p332(in Chinese)[王文祥 2005 微波工程技术 (北京:国防工业出版社)第332页]
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[1] [1]Wei Y Y, Wang W X, Sun J H, Liu S G 2002 Chin. Phys. 11 277
[2] [2]Lu Z G, Gong Y B, Wei Y Y, Wang W X 2006 Chin. Phys. 15 2661
[3] [3]Wei Y Y, Wang W X, Gong Y B, Zhou P 2000 Acta Phys. Sin. 49 949 (in Chinese) [魏彦玉、王文祥、宫玉彬、周鹏 2000 物理学报 49 949]
[4] [4]Li J Q, Mo Y L 2006 Acta Phys. Sin. 8 4117
[5] [5]Haddad G I, Trew R J 2002 IEEE Trans. Microwave Theor. Technol. 50 760
[6] [6]Bhattacharjee S, Booske J H, Kory C L, Weide D W, Limbach S, Gallagher S, Welter J D, Lopez M R, Gilgenbach R M, Ives R L, Read M E, Divan R, Mancini D C 2004 IEEE Trans. Plasma Sci. 32 1002
[7] [7]Kory C L, Booske J H, Lee W J, Gallagher S, Weide D W, Limbach S, Bhattacharjee S 2002 IEEE MIT-S Digest 1265
[8] [8]Hopfer S 1955 IRE Trans. Microwave Theor. Technol. MTT-3, 20
[9] [9]Cohen S B 1947 Proc. IRE. December 1947 35 783
[10] ]Collin R E 1960 Field Theory of Guided Waves(New York: McGraw Hill)338—346
[11] ]Zhang K Q, Li D J 2001 Electromagnetic Theory for Microwaves and Optoelectronics (Beijing: Publishing House of Electronics Industry) p403(in Chinese) [张克潜、李德杰 2001 微波与光电子学中的电磁理论 (北京:电子工业出版社) 第403页]
[12] ]Han S T 2004 Ph. D. Dissertation (Seoul:Seoul National University)
[13] ]Han S T, Jang K H, So J K, Kim J L, Shin Y M, Ryskin N R, Chang S S, Park G S 2004 IEEE Transc. Plasma Sci. 32 60
[14] ]Wang W X 2005 Microwave Engineering Technology (Beijing: National Defense Industry Press) p332(in Chinese)[王文祥 2005 微波工程技术 (北京:国防工业出版社)第332页]
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