Plasma-filled Dielectric Cherenkov Maser Excited by  an Annular Relativistic Electron Beam

吴坚强; 熊彩东; 刘盛纲

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Plasma-filled Dielectric Cherenkov Maser Excited by an Annular Relativistic Electron Beam

更新时间：2025-12-08

- Plasma-filled Dielectric Cherenkov Maser Excited by an Annular Relativistic Electron Beam
- Acta Electronica Sinica Issue 6, (1997)
- 作者机构：
  
  电子科技大学高能电子学研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN25
- Published：1997
- 稿件说明：
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[1]吴坚强,熊彩东,刘盛纲.环形相对论电子注激励的等离子体介质切伦可夫脉塞[J].电子学报,1997(06):6-9.

吴坚强, 熊彩东, 刘盛纲. Plasma-filled Dielectric Cherenkov Maser Excited by an Annular Relativistic Electron Beam[J]. Acta Electronica Sinica, 1997, (6).
[1]吴坚强,熊彩东,刘盛纲.环形相对论电子注激励的等离子体介质切伦可夫脉塞[J].电子学报,1997(06):6-9. DOI：

吴坚强, 熊彩东, 刘盛纲. Plasma-filled Dielectric Cherenkov Maser Excited by an Annular Relativistic Electron Beam[J]. Acta Electronica Sinica, 1997, (6). DOI：

摘要

利用自沿线性场理论，考虑电子的三维扰动，分析了环形相对论电子注在填充背景等离子体的介质筒慢波波导中产生的切伦可夫辐射，其环形电子注对注波工作用的作用完全可用一跳变条件来描述，导出了其色散方程和注波互作用的同步条件，求得了电子注产生的波增长率，分析了背景等离子体密度和电子注半径对波增长率的影响．

Abstract

Cherenkov radiation produced by a thin annular relativistic electron beam in aplasma-filled dielectric-lined waveguide is analysed by use of the self-consistent linear field theory considering the electron three-dimensional perturbation. The effect of the thin annular electronbeam on the beam-wave interaction is completely described by a jump condition. The dispersion equation and the simultaneous condition of the beam-wave interaction are derived. Finally

thegrowth rate of the wave is obtained

and the effect of the background plasma density and electronbeam radius on the growth of the wave are presented.

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