Study on the Increased Threshold Current in the Development of 220-GHz Folded Waveguide Backward-Wave Oscillator

被引：12

作者：

Cai, Jinchi ^{[1
]}

Hu, Linlin ^{[2
]}

Chen, Huaibi

Jin, Xiao ^{[2
]}

Ma, Guowu ^{[2
]}

Chen, Hongbin

机构：

[1] Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China

[2] China Acad Engn Phys, Inst Appl Elect, Mianyang 621000, Peoples R China

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2016年 / 64卷 / 11期

关键词：

Backward-wave oscillator (BWO); folded waveguide (FW); millimeter wave and submillimeter wave (MMW/SMMW); threshold current; CIRCUITS;

D O I：

10.1109/TMTT.2016.2600324

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Backward-wave oscillator (BWO) is a promising candidate as a millimeter-wave and submillimeter-wave (MMW/SMMW) power source and has a compact configuration, moderate output power, and frequency-tuning abilities. The physical conditions for increasing the threshold current of a typical MMW/SMMW-BWO are theoretically studied in this paper. We demonstrate the greater effect of axial phase velocity variation of deformed slow-wave structures on the threshold current in a 220-GHz folded waveguide (FW) BWO in comparison with other insensitive factors. For further verification, a prototype tube of FW BWO is developed. This tube exhibited increased threshold current during experiments. This finding is consistent with the error analysis proposed by our theory.

引用

页码：3678 / 3685

页数：8

共 21 条

[1] The hard excitation regime for a relativistic backward-wave oscillator [J].

Abubakirov, E. B. ;

Konyushkov, A. P. ;

Sergeev, A. S. .

RADIOPHYSICS AND QUANTUM ELECTRONICS, 2008, 51 (08) :610-615

[2] Accurate parametric modeling of folded waveguide circuits for millimeter-wave traveling wave tubes [J].

Booske, JH ;

Converse, MC ;

Kory, CL ;

Chevalier, CT ;

Gallagher, DA ;

Kreischer, KE ;

Heinen, VO ;

Bhattacharjee, S .

IEEE TRANSACTIONS ON ELECTRON DEVICES, 2005, 52 (05) :685-694

[3]

Cai J., 2015, HIGH POWER LASER PAR, V27

[4]

Cai JC, 2015, J INFRARED MILLIM W, V34, P520

[5] An Improved Analytical Model for Fast Evaluating Absorbing Material Properties for 220-GHz FW BWO [J].

Cai, Jinchi ;

Hu, Linlin ;

Lei, Wenqiang ;

Chen, Huaibi ;

Jin, Xiao ;

Chen, Huanbi .

IEEE TRANSACTIONS ON PLASMA SCIENCE, 2015, 43 (04) :1008-1013

[6] Theoretical and Experimental Study of the Modified Pill-Box Window for the 220-GHz Folded Waveguide BWO [J].

Cai, Jinchi ;

Hu, Linlin ;

Ma, Guowu ;

Chen, Hongbin ;

Jin, Xiao ;

Chen, Huanbi .

IEEE TRANSACTIONS ON PLASMA SCIENCE, 2014, 42 (10) :3349-3357

[7]

Dayton J. A. Jr., 2012, 2012 IEEE Thirteenth International Vacuum Electronics Conference and the ninth International Vacuum Electron Sources Conference (IVEC-IVESC 2012), P33, DOI 10.1109/IVEC.2012.6262063

[8]

Gallerano G. P., 2004, P 26 INT FREE EL LAS, P216, DOI [10.1088/0022-3727/47/37/374001, DOI 10.1088/0022-3727/47/37/374001]

[9]

Ives RL, 2005, IRMMW-THz2005: The Joint 30th International Conference on Infrared and Millimeter Waves and 13th International Conference on Terahertz Electronics, Vols 1 and 2, P93

[10]

Jin-Chi C., 2015, CHINESE PHYS B, V24

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