残余气体电离对虚阴极形成过程影响的研究

2018 International Conference on Actual Problems of Electron Devices Engineering (APEDE) Pub Date : 2018-09-01 DOI:10.1109/APEDE.2018.8542366

A. Badarin, S. Kurkin

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引用次数: 0

摘要

本文介绍了等离子体效应对大功率电子系统中发生的过程影响的研究结果。利用电磁PIC代码对一类很有前途的高功率微波器件——相对论虚阴极发生器和虚阴极放大器进行了研究。详细研究了相对论电子束临界电流随系统控制参数(残余气体浓度、外磁场参数、电子束能量和电流脉冲形状)变化的特性。在研究框架内获得的结果旨在拓宽等离子体中强电子束动力学的基本概念。

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Investigation of the Effect of Residual Gas Ionization on Virtual Cathode Formation Processes

The paper presents the results of a study of the influence of plasma effects on processes occurring in systems of high-power electronics. The results are obtained using electromagnetic PIC code for a promising class of high-power microwave devices relativistic vircators (generators and amplifiers with a virtual cathode (VC)). A detailed study of the behavior of critical current of a relativistic electron beam (REB) with a change in the control parameters of the system (concentration of residual gases, external magnetic field parameters, energy of electron beam, and shape of current pulse) is carried out. The results obtained within the framework of the research are intended to broaden the fundamental concepts about the dynamics of intense electron beams in a plasma.

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2018 International Conference on Actual Problems of Electron Devices Engineering (APEDE)

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