行波管电子枪电磁有限元分析

Fifth IEEE International Vacuum Electronics Conference (IEEE Cat. No.04EX786) Pub Date : 2004-04-27 DOI:10.1109/IVELEC.2004.1316340

S. Coco, S. Corsaro, R. Dionisio, Antonino Laudani, R. Martorana, G. Pollicino

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引用次数: 0

摘要

电子枪作为电子束源广泛应用于行波管、速调管和粒子加速器等器件中。使用更复杂的几何形状和插入控制网格可以使设计人员获得更好的性能，但它需要专门的3D数值模拟器来执行设计过程。本文介绍了用于行波管电子枪设计的三维工具COLLGUN模拟器。完整的模拟器由三个主要模块组成:专用的全3D有限元网格生成器，3D FE Vlasov求解器，包括空间电荷效应，集成电子轨迹示踪器和用于结果恢复的图形后处理模块。通过对若干电子枪三维仿真实例的分析，对该仿真器进行了验证。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Electromagnetic analysis by finite elements of electron guns for traveling wave tubes

Electron guns are used as electron beam source in a wide variety of devices including traveling wave tubes (TWT), klystrons and particle accelerators. Usage of more complex geometries and insertion of control grid allow the designer to obtain a better performance but it requires specialized 3D numerical simulators to carry out the design process. In this paper we present the COLLGUN simulator, a 3D tool for the design of TWT's electron gun. The complete simulator consists of three main modules: a dedicated fully 3D Finite Element mesh generator, a 3D FE Vlasov solver, including space-charge effects, with an integrated electron trajectory tracer and a graphic post-processing module for result restitution. Several examples of 3D simulation of electron guns have been analyzed to test the simulator.

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Fifth IEEE International Vacuum Electronics Conference (IEEE Cat. No.04EX786)

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