Generation of "gigantic" ultra-short microwave pulses based on passive mode-locking effect in electron oscillators with saturable absorber in the feedback loop

被引：16

作者：

Ginzburg, N. S. ^{[1
]}

Denisov, G. G. ^{[1
]}

Vilkov, M. N. ^{[1
]}

Zotova, I. V. ^{[1
]}

Sergeev, A. S. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Appl Phys, 46 Ulyanov Str, Nizhnii Novgorod 603950, Russia

来源：

PHYSICS OF PLASMAS | 2016年 / 23卷 / 05期

基金：

俄罗斯基础研究基金会;

关键词：

HIGH-POWER; AMPLIFICATION; COMPRESSION;

D O I：

10.1063/1.4948553

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 periodic train of powerful ultrashort microwave pulses can be generated in electron oscillators with a non-linear saturable absorber installed in the feedback loop. This method of pulse formation resembles the passive mode-locking widely used in laser physics. Nevertheless, there is a specific feature in the mechanism of pulse amplification when consecutive energy extraction from different fractions of a stationary electron beam takes place due to pulse slippage over the beam caused by the difference between the wave group velocity and the electron axial velocity. As a result, the peak power of generated "gigantic" pulses can exceed not only the level of steady-state generation but also, in the optimal case, the power of the driving electron beam. Published by AIP Publishing.

引用

页数：4

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