L-Band Relativistic Traveling Wave Oscillator Based on a Circular Corrugated Waveguide

被引：4
|
作者：
Totmeninov, Eugene M. [1 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Inst High Current Elect, Tomsk 634055, Russia
来源：
IEEE TRANSACTIONS ON PLASMA SCIENCE | 2016年 / 44卷 / 08期
基金：
俄罗斯基础研究基金会;
关键词：
High-power microwaves; modulating reflector; relativistic Cherenkov oscillator; ELECTRON-BEAM;
D O I：
10.1109/TPS.2016.2524665
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 coupling impedance (Z(0) approximate to 9 Omega) between a relativistic electron beam and a fundamental harmonic of a TM01 wave slowed down to the speed of light in a circular corrugated waveguide is calculated. The geometry of a relativistic (approximate to 420 keV) traveling wave oscillator (TWO) with an operating frequency of 1.25 GHz is optimized using this calculations by the fully electromagnetic particle-in-cell (PIC) code KARAT. The transient time obtained in PIC simulations is approximate to 26 ns. A microwave power of 340 MW is also obtained in PIC simulations at an electron beam current of 3.0 kA in strong (approximate to 0.3 T) and weak (approximate to 0.08 T) guiding magnetic fields, which corresponds to the oscillator efficiency approximate to 27%.
引用
收藏
页码：1276 / 1279
页数：4
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