A Fast Approach for Calculating Eigenmode of Quasi-2-D Slow Wave Structure for Sheet Electron Beam TWTs

The quasi-2-D slow wave structures (quasi-2D SWSs) have mostly widely used in sheet electron beam traveling wave tubes (SEB TWTs) in recent years. This article proposed a new fast calculation method for general quasi-2D SWS, based on a higher order finite elements method (FEM). The solution processe...

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Published inIEEE transactions on plasma science Vol. 52; no. 3; pp. 1074 - 1079
Main Authors Yin, Pengcheng, Cai, Jinchi, Xu, Jin, Yue, Lingna, Yin, Hairong, Xu, Yong, Zhao, Guoqing, Wang, Wenxiang, He, Jun, Wei, Yanyu
Format Journal Article
LanguageEnglish
Published New York IEEE 01.03.2024
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Design
Design optimization
Electromagnetic waveguides
Electron beams
Finite element analysis
Genetic algorithms
Impedance
Mathematical analysis
Mathematical models
Millimeter wave radar
Optimization
Quasi-2-D slow wave structure (quasi-2D SWS)
slow wave structure
Solid modeling
Traveling wave tubes
Traveling waves
Online AccessGet full text

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Abstract The quasi-2-D slow wave structures (quasi-2D SWSs) have mostly widely used in sheet electron beam traveling wave tubes (SEB TWTs) in recent years. This article proposed a new fast calculation method for general quasi-2D SWS, based on a higher order finite elements method (FEM). The solution processes are much faster than traditional 3-D electromagnetic simulations with the same accuracy, greatly contributing to the quick design of such SWSs. In addition, this article supplements an optimization method based on this fast calculation method and genetic algorithm. This optimization method yields the detailed structure's dimension, subject to the design goal, thus drastically boosting the design efficiency. Furthermore, these fast solutions and optimization methods can be used to investigate the new type of quasi-2D SWS. To verify this approach, this article explores a new quasi-2D SWS, with a very flat interaction impedance curve. Therefore, the methods proposed in this article will greatly contribute to the fast design, optimization, and development of quasi-2D SWSs.
AbstractList The quasi-2-D slow wave structures (quasi-2D SWSs) have mostly widely used in sheet electron beam traveling wave tubes (SEB TWTs) in recent years. This article proposed a new fast calculation method for general quasi-2D SWS, based on a higher order finite elements method (FEM). The solution processes are much faster than traditional 3-D electromagnetic simulations with the same accuracy, greatly contributing to the quick design of such SWSs. In addition, this article supplements an optimization method based on this fast calculation method and genetic algorithm. This optimization method yields the detailed structure’s dimension, subject to the design goal, thus drastically boosting the design efficiency. Furthermore, these fast solutions and optimization methods can be used to investigate the new type of quasi-2D SWS. To verify this approach, this article explores a new quasi-2D SWS, with a very flat interaction impedance curve. Therefore, the methods proposed in this article will greatly contribute to the fast design, optimization, and development of quasi-2D SWSs.
Author Yin, Pengcheng
Xu, Yong
Wei, Yanyu
Zhao, Guoqing
He, Jun
Wang, Wenxiang
Cai, Jinchi
Xu, Jin
Yin, Hairong
Yue, Lingna
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Snippet The quasi-2-D slow wave structures (quasi-2D SWSs) have mostly widely used in sheet electron beam traveling wave tubes (SEB TWTs) in recent years. This article...
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SubjectTerms Design
Design optimization
Electromagnetic waveguides
Electron beams
Finite element analysis
Genetic algorithms
Impedance
Mathematical analysis
Mathematical models
Millimeter wave radar
Optimization
Quasi-2-D slow wave structure (quasi-2D SWS)
slow wave structure
Solid modeling
Traveling wave tubes
Traveling waves
Title A Fast Approach for Calculating Eigenmode of Quasi-2-D Slow Wave Structure for Sheet Electron Beam TWTs
URI https://ieeexplore.ieee.org/document/10436038
https://www.proquest.com/docview/3058294126
Volume 52
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