A 35-GHz low-voltage third-harmonic gyrotron with a permanent magnet system

被引：49
|
作者：
Li, HF [1 ]
Xie, ZL [1 ]
Wang, WX [1 ]
Luo, Y [1 ]
Du, PZ [1 ]
Den, X [1 ]
Wang, HJ [1 ]
Yu, S [1 ]
Niu, XJ [1 ]
Wang, L [1 ]
Liu, SG [1 ]
机构：
[1] Univ Elect Sci & Technol China, Inst High Energy Elect, Chengdu 610054, Peoples R China
来源：
IEEE TRANSACTIONS ON PLASMA SCIENCE | 2003年 / 31卷 / 02期
关键词：
35-GHz gyrotron; complex cavity; diode magnetron injection gun (MIG); permanent magnet system; theoretical and experimental study; third-harmonic;
D O I：
10.1109/TPS.2003.810732
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
A systematic theoretical and experimental study on a 35-GHz 45-kV third-harmonic gyrotron with a permanent magnet system is presented in this paper. A complex cavity with gradual transition and a diode magnetron injection gun (MIG) are employed in the gyrotron. A self-consistent field nonlinear theoretical investigation and numerical simulation for electron beam interaction with RF fields are given. The diode MIG is simulated numerically utilizing our. code in detail. The permanent magnet system provided the maximum axial magnetic field of about 4.5 kG in the cavity region of the gyrotron. The Ka hand third-harmonic complex cavity gyrotron with a permanent magnet system has been designed, constructed, and tested. A pulse output power of 147.3 kW was obtained at a beam voltage of 45 kV with beam current of 32.2 A, corresponding to an efficiency of 10.2%.
引用
收藏
页码：264 / 271
页数：8
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