Over-Sized Mode-Selective Relativistic Backward Wave Oscillator

被引：19

作者：

Cao, Yibing ^{[1
]}

Sun, Jun ^{[1
]}

Fan, Zhiqiang ^{[1
,2
]}

Song, Zhimin ^{[1
]}

Zhang, Guangshuai ^{[1
]}

Tan, Nongchao ^{[2
]}

Wu, Ping ^{[1
]}

Zhu, Meng ^{[1
]}

机构：

[1] Northwest Inst Nucl Technol, Sci & Technol High Power Microwave Lab, Xian 710024, Shaanxi, Peoples R China

[2] Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China

来源：

IEEE ELECTRON DEVICE LETTERS | 2019年 / 40卷 / 09期

基金：

中国国家自然科学基金;

关键词：

High power microwave; relativistic backward wave oscillator; mode selection;

D O I：

10.1109/LED.2019.2931259

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：

An oversized mode-selective relativistic backward wave oscillator is proposed. This device operates using the pure TM02 mode in the beam-wave interaction area and transmits a pure TM01 mode in the output waveguide. In the beam-wave interaction area, mode selection is well realized through oversized slow-wave structures with a coaxial inner conductor that provides perfect boundary conditions for the TM02 mode and simultaneously eliminates other modes. A large proportion of the TM02 mode field is eventually exported into the output waveguide in the form of a pure TM01 mode. With the large diameter and high mode purity, the device can be expected to have high power capacity. With a 770 kV, 11.0 kA beam guided by a 3.5 T magnetic field, a 3.2 GW microwave at 9.42 GHz has been obtained in our simulation. The device efficiency is 38%.

引用

页码：1530 / 1533

页数：4

共 42 条

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Yang De-Wen
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ACTA PHYSICA SINICA, 2020, 69 (16)
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Tan, Nongchao
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Huang, Wenhua
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PHYSICA SCRIPTA, 2023, 98 (10)
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Chen Zai-Gao
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ACTA PHYSICA SINICA, 2013, 62 (12)
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Rostov, Vladislav V.
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IEEE ELECTRON DEVICE LETTERS, 2021, 42 (06) : 935 - 938
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