Dynamics of subnanosecond electron beam formation in gas-filled and vacuum diodes

被引：94
|
作者：
Mesyats, G. A. [1 ]
Korovin, S. D.
Sharypov, K. A.
Shpak, V. G.
Shunaillov, S. A.
Yalandin, M. I.
机构：
[1] Russian Acad Sci, PN Lebedev Phys Inst, Moscow 117924, Russia
[2] Russian Acad Sci, Inst High Current Elect, Siberian Div, Tomsk 634055, Russia
[3] Russian Acad Sci, Inst Electrophys, Ural Div, Ekaterinburg 620219, Russia
来源：
TECHNICAL PHYSICS LETTERS | 2006年 / 32卷 / 01期
基金：
俄罗斯基础研究基金会;
关键词：
Current Amplitude; Flight Time; Pulse Electron; Beam Pulse; Electron Beam Pulse;
D O I：
10.1134/S1063785006010068
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The dynamic characteristics of a subnanosecond pulsed electron beam formation in the accelerating gap of a gas-filled or evacuated diode have been studied at a time resolution of similar to 10(11) s. In the air-filled gap, seconds earlier than the analogous pulse under vacuum conditions, and the measured pulse duration (similar to 10(-10) s) is close to the electron flight time across a diode gap in the continuous acceleration regime. It is shown that a nanosecond prepulse plays an important role by initiating the emission of electrons that are subsequently accelerated by the high-voltage pulse with a subnanosecond front.
引用
收藏
页码：18 / 22
页数：5
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