SINGLE-MODE OPERATION OF A BRAGG FREE-ELECTRON MASER OSCILLATOR

被引：38

作者：

CHU, TS

HARTEMANN, FV

DANLY, BG

TEMKIN, RJ

机构：

[1] Plasma Fusion Center, Massachusetts Institute of Technology, Cambridge

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 72卷 / 15期

关键词：

D O I：

10.1103/PhysRevLett.72.2391

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Detailed studies of the spectral characteristics and spatial mode structure of a single-mode, high-power Raman free-electron maser (FEM) oscillator operating with a Bragg resonator are reported. The FEM oscillator generated approximately 1 MW of microwave power in a single axial mode at 27.47 GHz, with an electron beam energy of 320 keV and a transmitted current of 30 A, yielding an efficiency of 10.3%, in good agreement with nonlinear simulations. These results indicate that a Raman free-electron maser can operate at high power and efficiency with stable single-mode output in the long pulse (equilibrium) regime.

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页码：2391 / 2394

页数：4

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