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Magnetronlike structure is a non-cathode magnetron waveguide structure. It is the basic configuration of relativistic magnetron with axial extraction (MDO). First, the dispersion relation and the field expression of the magnetronlike structure are obtained by the field matched method. Then, the results are proved by the high electromagnetic field analysis software, and the cutoff frequency is studied by changing the structure parameters. The final results show that with keeping the other parameters constant, the π mode cutoff frequency can be promoted by reducing the outer radius, enlarging the inner radius or increasing the number of the cavities. Enlarging the cavity angle will reduce the π mode cutoff frequency. The outcomes produced in this paper will play a fundamental role in the theoretical analysis on the mode conversion and transmission of the relativistic magnetron with axial extraction.
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Keywords:
- magnetronlike structure /
- field matched method /
- MDO /
- high power microwave
[1] Kovalev N F, Kol’chugin B D, Nechaev V E, Ofitserov M M, Soluyanov E I, Fuks M I 1977 Sov. Tech. Phys. Lett. 3 430
[2] Kovalev N F, Kolomenski A A, Krastelev E G, Kuznetsov M I, Maine A M, Nechaev E V, Ofitserov M M, Papdichev V A, Petelin M I, Fuks M, Chekanova L N 1980 Sov. Tech. Phys. Lett. 6 197
[3] Fuks M, Schamiloglu E 2002 Proc. SPIE 4720 18
[4] Fuks M I, Kovalev N F, Andreev A D, Schamiloglu E 2006 IEEE Trans. Plasma Sci. 34 620
[5] Daimon M, Jiang W 2007 Appl. Phys. Lett. 91 191503
[6] Li W, Liu Y G 2009 J. Appl. Phys. 106 053303
[7] Li W, Liu YG 2010 J. Appl. Phys. 108 113303
[8] Fuks M, Schamiloglu E 2010 IEEE Trans. Plasma Sci. 38 1302
[9] Li W, Liu Y G 2011 Phys. Plasmas 18 023103
[10] Zhou C M, Liu G Z, Liu Y G, Li J Y, Ding W 2007 High Power Microwave Sources (1st ed) (Beijing: Atomic Energy Press) (in Chinese) [周传明, 刘国治, 刘永贵, 李家胤, 丁武等 2007 高功率微波源 (北京: 原子能出版社)]
[11] Wang W X 2009 Microwave Engineering Technology (1st ed) (Beijing: National Defense Industry Press) (in Chinese) [王文祥 2009 微波工程技术 (北京: 国防工业出版社)]
[12] Zhang K Q, Li D J 2002 Electromagnetic Theory for Microwaves and Optoelectronics (2nd ed) (Beijing: publishing house of electronics industry) (in Chinese) [张克潜, 李德杰 2002 微波与光电子学中的电磁理论 (北京: 电子工业出版社)]
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[1] Kovalev N F, Kol’chugin B D, Nechaev V E, Ofitserov M M, Soluyanov E I, Fuks M I 1977 Sov. Tech. Phys. Lett. 3 430
[2] Kovalev N F, Kolomenski A A, Krastelev E G, Kuznetsov M I, Maine A M, Nechaev E V, Ofitserov M M, Papdichev V A, Petelin M I, Fuks M, Chekanova L N 1980 Sov. Tech. Phys. Lett. 6 197
[3] Fuks M, Schamiloglu E 2002 Proc. SPIE 4720 18
[4] Fuks M I, Kovalev N F, Andreev A D, Schamiloglu E 2006 IEEE Trans. Plasma Sci. 34 620
[5] Daimon M, Jiang W 2007 Appl. Phys. Lett. 91 191503
[6] Li W, Liu Y G 2009 J. Appl. Phys. 106 053303
[7] Li W, Liu YG 2010 J. Appl. Phys. 108 113303
[8] Fuks M, Schamiloglu E 2010 IEEE Trans. Plasma Sci. 38 1302
[9] Li W, Liu Y G 2011 Phys. Plasmas 18 023103
[10] Zhou C M, Liu G Z, Liu Y G, Li J Y, Ding W 2007 High Power Microwave Sources (1st ed) (Beijing: Atomic Energy Press) (in Chinese) [周传明, 刘国治, 刘永贵, 李家胤, 丁武等 2007 高功率微波源 (北京: 原子能出版社)]
[11] Wang W X 2009 Microwave Engineering Technology (1st ed) (Beijing: National Defense Industry Press) (in Chinese) [王文祥 2009 微波工程技术 (北京: 国防工业出版社)]
[12] Zhang K Q, Li D J 2002 Electromagnetic Theory for Microwaves and Optoelectronics (2nd ed) (Beijing: publishing house of electronics industry) (in Chinese) [张克潜, 李德杰 2002 微波与光电子学中的电磁理论 (北京: 电子工业出版社)]
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