A ferroelectric electron gun in a free-electron maser experiment

被引：14
|
作者：
Einat, M [1 ]
Jerby, E [1 ]
Rosenman, G [1 ]
机构：
[1] Tel Aviv Univ, Fac Engn, IL-69978 Tel Aviv, Israel
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2002年 / 483卷 / 1-2期
关键词：
D O I：
10.1016/S0168-9002(02)00337-6
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
An electron-gun based on a ferroelectric cathode is studied in a free-electron maser (FEM) experiment. In this gun, the electrons are separated from the cathode surface plasma, and are accelerated in two stages. The electron energy-spread is reduced sufficiently for an FEM operation in the microwave regime. A 14 keV, 1-2 A e-beam is obtained in a 0.1-2.1 mus pulse width. The pulse repetition frequency attains 3.1 MHz in similar to50% duty-cycle. This gun is implemented in an FEM oscillator experiment operating around 3 GHz. The paper presents experimental results and discusses the applicability of ferroelectric guns in free-electron laser devices. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：326 / 330
页数：5
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