A W-Band Gyro-TWA using a Helically Corrugated Waveguide

被引：0
|
作者：
He, W. [1 ]
Phelps, A. D. R. [1 ]
Donaldson, C. R. [1 ]
Cross, A. W. [1 ]
Zhang, L. [1 ]
Ronald, K. [1 ]
机构：
[1] Univ Strathclyde, Dept Phys, SUPA, Glasgow G4 0NG, Lanark, Scotland
来源：
35TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ 2010) | 2010年
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A W-band gyrotron travelling wave amplifier (gyroTWA) with a cusp electron gun and a helically corrugated waveguide is presented. The large orbit electron beam from the cusp gun interacts resonantly with an ideal eigenwave existing in the interaction region based on the cyclotron resonance maser instability. When driven by the 40 keV, 1.5 A electron beam the amplifier was simulated to output a maximum 10 kW (CW) with a 3 dB frequency bandwidth of 90-100 GHz and saturated gain of 40 dB. Linear analysis and numerical simulations of the performance characteristics of the amplifier as well as the input coupler and the output window are presented.
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页数：2
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