多束真空电子器件中辐射的非线性动力学

IF 0.3 Q4 PHYSICS, MULTIDISCIPLINARY Nonlinear Phenomena in Complex Systems Pub Date : 2022-12-12 DOI:10.33581/1561-4085-2022-25-4-359-367
S. Sytova
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引用次数: 0

摘要

本文致力于概述具有两个或两个以上带电粒子束的不同类型的真空电子器件。有行波管和后向波管,自由电子激光器和脉泽,体积自由电子激光器。在这种情况下会发生两种不同的情况:这种设备中的多波束不稳定性和多流不稳定性。在第一种情况下,一些带电粒子束在系统中以不同的速度移动。在第二个光束中,光束的速度(流)几乎相等。提出了双电子束体积自由电子激光器的两个方程组。给出并讨论了VFEL数值模拟的一些数值结果。
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Nonlinear Dynamics of Radiation in Multiple-Beam Vacuum Electronic Devices
The article is devoted to overview of different types of vacuum electronic devices with two or more charged particle beams. There are travelling wave and backward wave tubes, free electron lasers and masers, volume free electron lasers. Two different cases take place in such situation: multiple-beam instability in such devices and multiple-stream instability. In the first case some charged particle beams moves in the system with different velocities. In the second one there are beams with almost equal velocities (streams). Two systems of equations for volume free electron laser with two electron beams are proposed. Some numerical results of VFEL numerical simulation are given and discussed.
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来源期刊
Nonlinear Phenomena in Complex Systems
Nonlinear Phenomena in Complex Systems PHYSICS, MULTIDISCIPLINARY-
CiteScore
0.90
自引率
25.00%
发文量
32
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