考虑回旋共振增强效应的平面单栅注波互作用线性分析

王晶; 樊宇; 赵鼎; 杨晨; 王刚; 罗积润

doi:10.11999/JEIT181145

考虑回旋共振增强效应的平面单栅注波互作用线性分析

doi: 10.11999/JEIT181145

王晶^1,2,3, ,,
樊宇²,
赵鼎²,
杨晨^2,3,
王刚^1,2,3,
罗积润^2,3

1.
中国科学院电子学研究所空间行波管研究发展中心北京 100190
2.
中国科学院电子学研究所高功率微波源与技术重点实验室北京 100190
3.
中国科学院大学北京 100049

基金项目: 国家自然科学基金(61671431)

详细信息

作者简介:
王晶：女，1985年生，博士生，研究方向为物理电子学

樊宇：男，1990年生，助理研究员，研究方向为物理电子学

赵鼎：男，1977年生，副研究员，研究方向为物理电子学

杨晨：女，1992年生，博士生，研究方向为物理电子学

王刚：男，1971年生，研究员，博士生导师，研究方向为物理电子学

罗积润：男，1957年生，研究员，博士生导师，研究方向为物理电子学

通讯作者:
王晶　wangjing_bg@163.com

中图分类号: TN122
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- 被引次数: 0
出版历程
- 收稿日期: 2018-12-13
- 修回日期: 2019-03-26
- 网络出版日期: 2019-04-25
- 刊出日期: 2019-12-01

Analysis of Beam Wave Interaction in a Planar Metallic Grating Based on Cyclotron Resonance Enhancement Effect

Jing WANG^{1,2,3
, ,},
Yu FAN²,
Ding ZHAO²,
Chen YANG^2,3,
Gang WANG^1,2,3,
Jirun LUO^2,3

1.
Research and Development Center of Space TWT, Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China
2.
Key Laboratory of High Power Microwave Sources and Technologies, Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China
3.
University of Chinese Academy of Sciences, Beijing 100049, China

Funds: The National Natural Science Foundation of China (61671431)

摘要

摘要: 基于电子注纵横运动与电磁场纵横分量同时同步相互作用，该文从麦克斯韦方程和线性伏拉索夫方程出发，推导出将回旋共振和契伦科夫共振同时考虑在内的平面单栅注波互作用热色散方程。在合理选择几何参数和电参数的基础上，通过热色散方程数值计算和分析，发现具有回旋共振增强效应下的注波互作用增益和频带都高于只有契伦科夫共振辐射下的结果。
- 回旋管 /
- 回旋共振增强 /
- 平面格栅 /
- 契伦科夫效应 /
- 增益
Abstract: Based on the beam wave synchronization interaction in transverse and longitudinal directions at the same time and derived from Maxwell’s equation and linear Vlasov equation, the planar metallic grating beam-wave interaction " hot” dispersion equation considering both cyclotron resonance and Cherenkov resonance is deduced. Through the reasonable selection for geometric and electrical parameters, the numerical calculation and analysis of the " hot” dispersion equation show that the beam-wave interaction gain and frequency band with the cyclotron resonance enhancement effect are higher than those with only Cherenkov resonance radiation.
- Cyclotron /
- Cyclotron resonance enhancement /
- Planer metallic grating /
- Cherenkov effects /
- Gain

HTML全文

图 1 周期慢波结构中对应共振增强效应的色散曲线

下载: 全尺寸图片幻灯片

图 2 平面单栅与电子注互作用系统

下载: 全尺寸图片幻灯片

图 3 单周期相移为180°时，平面单栅电子通道中心处电场强度分布图及沿z方向变化的曲线图

下载: 全尺寸图片幻灯片

图 4 考虑回旋共振增强和纯契伦科夫共振的增益对比

下载: 全尺寸图片幻灯片

图 5 不同工作电流对回旋共振增强增益的影响

下载: 全尺寸图片幻灯片

图 6 不同横纵速度比$\alpha $对回旋共振增强增益的影响

下载: 全尺寸图片幻灯片

图 7 CST仿真的回旋共振增强和纯契伦科夫共振的增益对比图

下载: 全尺寸图片幻灯片

表 1 矩形单栅结构尺寸表(mm)

参数几何尺寸

　周期p 1.10
　槽深h 1.00
　栅宽a 1.75
　电子注到栅顶距离${y_c}$ 0.15
　栅顶边界到波导顶距离g 0.30

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