Mechanism of radiation pulse shortening in plasma relativistic microwave generator

被引：4

作者：

Ernyleva, S. E. ^{[1
]}

Bogdankevich, I. L. ^{[1
]}

Loza, O. T. ^{[1
]}

机构：

[1] Russian Acad Sci, Prokhorov Gen Phys Inst, Moscow 119991, Russia

来源：

BULLETIN OF THE LEBEDEV PHYSICS INSTITUTE | 2013年 / 40卷 / 07期

基金：

俄罗斯基础研究基金会;

关键词：

microwave generator; plasma; shortening; POWER;

D O I：

10.3103/S1068335613070026

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The causes of emission quenching in the plasma relativistic microwave generator are studied by numerical calculations using the particle-in-cell method. The process mechanism in which the plasma boundary moves from the coaxial collector edge with a velocity above 10(7) cm/s is found. An electron flux with an energy of similar to 10(5) eV and a current of similar to 10(3) A is generated from the collector in the formed gap, which heats plasma and increases its potential. Microwave generation stops due to a multiple decrease in the wave reflectance from the collector. The use of the hollow collector is presumably a method for preventing microwave generation quenching.

引用

页码：178 / 186

页数：9

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