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
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
收藏
页码:178 / 186
页数:9
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