High efficiency X-band relativistic backward wave oscillator with non-uniform slow wave structures

Backward wave oscillators （BWOs） driven by intense relativistic electron beams are very efficient means of producing high-power microwaves. However, the efficiency of conventional BWO is lower than 30%. An X-band oversized BWO with non-uniform slow wave structure is designed to improve RF output cha...

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Published in:Chinese physics C 2012-08, Vol.36 (8), p.750-752
Main Author: 吴洋 许州 李正红 马乔生 唐传祥
Format: Article
Language:English
Subjects:
Backward waves
Microwaves
Oscillators
Particle in cell technique
Relativistic electron beams
Simulation
Slow waves
X-band
X-波段
强流相对论电子束
慢波结构
输出特性
返波振荡器
非均匀
颗粒细胞
高功率微波
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description Backward wave oscillators （BWOs） driven by intense relativistic electron beams are very efficient means of producing high-power microwaves. However, the efficiency of conventional BWO is lower than 30%. An X-band oversized BWO with non-uniform slow wave structure is designed to improve RF output characteristics. In particle-in-cell simulation, a high power microwave with a power of 8.0 GW and efficiency of 40% is obtained, compared with that of 30% obtained in a conventional relativistic BWO.
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subjects Backward waves
Microwaves
Oscillators
Particle in cell technique
Relativistic electron beams
Simulation
Slow waves
X-band
X-波段
强流相对论电子束
慢波结构
输出特性
返波振荡器
非均匀
颗粒细胞
高功率微波
title High efficiency X-band relativistic backward wave oscillator with non-uniform slow wave structures
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