Electron-optical system for a high-current Ka-band relativistic gyrotron

被引：7
|
作者：
Abubakirov, E. B. [1 ]
Denisenko, A. N. [1 ]
Fedotov, A. E. [1 ]
Leontyev, A. N. [1 ]
Rozental, R. M. [1 ]
Tarakanov, V. P. [2 ,3 ]
机构：
[1] Russian Acad Sci, Inst Appl Phys, 46 Ulyanov St, Nizhnii Novgorod 603950, Russia
[2] Moscow Engn Phys Inst, 31 Kashirskoe Sh, Moscow 115409, Russia
[3] Russian Acad Sci, Joint Inst High Temp, 13 Izhorskaya St,Bd 2, Moscow 125412, Russia
来源：
PHYSICS OF PLASMAS | 2019年 / 26卷 / 03期
基金：
俄罗斯基础研究基金会;
关键词：
LARGE-ORBIT; HIGH-POWER; FUNDAMENTAL MODE; BEAM; OSCILLATOR;
D O I：
10.1063/1.5085483
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：
An electron-optical system for a high-current relativistic Ka-band gyrotron was developed and experimentally tested. The system consists of a coaxial magnetically insulated diode forming a rectilinear hollow beam and an additional short coil (kicker) pumping the transverse electron velocities. An electron beam with a particle energy of 500 keV, a current of 1.5-2 kA, and a pitch-ratio of up to 1 has been produced. The beam is intended for a gyrotron with the output power of 200 MW The measured beam characteristics are in good agreement with the results of calculations. The influence of the beam and gyrotron cavity axis misalignment on gyrotron operation is analyzed using PIC simulations.
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页数：5
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