MASING AND SINGLE-MODE LOCKING IN A FREE-ELECTRON MASER EMPLOYING PREBUNCHED ELECTRON-BEAM

被引：34

作者：

COHEN, M

EICHENBAUM, A

ARBEL, M

BENHAIM, D

KLEINMAN, H

DRAZNIN, M

KUGEL, A

YACOVER, IM

GOVER, A

机构：

[1] Department of Electrical Engineering-Physical Electronics, Faculty of Engineering, Tel-Aviv University

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 74卷 / 19期

关键词：

D O I：

10.1103/PhysRevLett.74.3812

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report a first demonstration of single-mode selection in a free-electron maser (FEM) using electron-beam prebunching at or near the natural oscillation frequencies of the resonator. The FEM oscillation frequency can be selectively locked to each eigenfrequency of the resonant waveguide cavity within the frequency band of the FEM net gain. When the electron beam is prebunched at a frequency close to an eigenfrequency of the cavity, the oscillation buildup process is sped up and the radiation buildup time is shortened significantly. Measurements are in good agreement with collective (Raman) free-electron laser theory. © 1995 The American Physical Society.

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页码：3812 / 3815

页数：4

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