Objective quantification of mode competition in THz BWO optimization

Objective quantification of mode competition in THz BWO optimization

The corrugated rectangular waveguide slow-wave structure (CRWSWS) terahertz (THz) backward wave oscillator (BWO) is suitable for many applications because of its compactness and portability. An analytical model is proposed for calculating the cold and hot parameters of a CRWSWS THz BWO. Two forms of...

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Veröffentlicht in:Physics of plasmas 2017-11, Vol.24 (11)
Hauptverfasser: Bao, Rong, Wang, Hongguang, Zhang, Ruxia, Li, Yongdong, Liu, Chunliang
Format: Artikel
Sprache:eng
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Backward waves
Competition
Electrons
Mathematical models
Optimization
Oscillators
Plasma physics
Rectangular waveguides
Search algorithms
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container_issue 11
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creator Bao, Rong
Wang, Hongguang
Zhang, Ruxia
Li, Yongdong
Liu, Chunliang
description The corrugated rectangular waveguide slow-wave structure (CRWSWS) terahertz (THz) backward wave oscillator (BWO) is suitable for many applications because of its compactness and portability. An analytical model is proposed for calculating the cold and hot parameters of a CRWSWS THz BWO. Two forms of mode competition are quantified using the analytical model. The quantifications are used as objectives when optimizing the CRWSWS THz BWO. The optimization is performed based on the analytical model and a local search algorithm. The optimization results are verified using CST Microwave Studio and Particle Studio. The influence of one of the quantifications on the convergence of the optimization algorithm is also investigated.
doi_str_mv 10.1063/1.4993087
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subjects Backward waves
Competition
Electrons
Mathematical models
Optimization
Oscillators
Plasma physics
Rectangular waveguides
Search algorithms
title Objective quantification of mode competition in THz BWO optimization
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