High power operation of an X-band coaxial multi-beam relativistic klystron amplifier

被引：11
|
作者：
Liu, Zhenbang [1 ]
Huang, Hua [1 ]
Jin, Xiao [1 ]
Zhao, Yucong [1 ]
He, Hu [1 ]
Lei, Lurong [1 ]
Chen, Zhaofu [1 ]
机构：
[1] China Acad Engn Phys, Sci & Technol High Power Microwave Lab, Inst Appl Elect, Mianyang 621900, Peoples R China
来源：
PHYSICS OF PLASMAS | 2013年 / 20卷 / 11期
关键词：
ELECTRON-BEAMS; MODULATION;
D O I：
10.1063/1.4825357
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：
An X-band coaxial multi-beam relativistic klystron amplifier is designed in order to increase output microwave power and operating frequency of the amplifier tube. The experiment is performed on a Tesla-type accelerator. The amplifier is driven by an electron beam of 2.8 kA at 720 kV, and a microwave power of 30 kW and frequency of 9.384 GHz is injected into an input cavity by means of an external source, then a microwave power of over 800 MW is extracted, the amplifier gain is about 44 dB, and conversion efficiency is 40%. The experiment proves that output power of nearly GWs can be generated with the X-band coaxial multi-beam relativistic klystron amplifier driven by a kW-level input power. (C) 2013 AIP Publishing LLC.
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页数：4
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