{"title":"一种新的多分叉波导结模式匹配公式","authors":"Guilherme S. Rosa","doi":"10.1590/2179-10742021v20i31292","DOIUrl":null,"url":null,"abstract":"Abstract In this paper, we present a mode-matching-based formulation for the electromagnetic analysis of multifurcated waveguide problems, that is, the junction of a number of input waveguides with an output region of larger cross-section area. A generalized scattering matrix (GSM) representation is obtained for relating the forward and backward modal field amplitudes in each of the waveguides in terms of coupling integrals representing the conservation of the reaction of the electromagnetic fields. Numerical results for several multifurcated coaxial waveguide devices are provided to validate the formulation. Comparisons against the finite-element method demonstrate that the present approach can accurately model multifurcated waveguide problems. The method introduced here provides useful matrix formulas that allow us to model multi-port waveguide devices by reusing well-known coupling integrals of two-port problems.","PeriodicalId":53567,"journal":{"name":"Journal of Microwaves, Optoelectronics and Electromagnetic Applications","volume":" ","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2021-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"A Novel Mode-Matching Formulation of Multifurcated Waveguide Junctions\",\"authors\":\"Guilherme S. Rosa\",\"doi\":\"10.1590/2179-10742021v20i31292\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Abstract In this paper, we present a mode-matching-based formulation for the electromagnetic analysis of multifurcated waveguide problems, that is, the junction of a number of input waveguides with an output region of larger cross-section area. A generalized scattering matrix (GSM) representation is obtained for relating the forward and backward modal field amplitudes in each of the waveguides in terms of coupling integrals representing the conservation of the reaction of the electromagnetic fields. Numerical results for several multifurcated coaxial waveguide devices are provided to validate the formulation. Comparisons against the finite-element method demonstrate that the present approach can accurately model multifurcated waveguide problems. The method introduced here provides useful matrix formulas that allow us to model multi-port waveguide devices by reusing well-known coupling integrals of two-port problems.\",\"PeriodicalId\":53567,\"journal\":{\"name\":\"Journal of Microwaves, Optoelectronics and Electromagnetic Applications\",\"volume\":\" \",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Microwaves, Optoelectronics and Electromagnetic Applications\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1590/2179-10742021v20i31292\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"Engineering\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Microwaves, Optoelectronics and Electromagnetic Applications","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1590/2179-10742021v20i31292","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"Engineering","Score":null,"Total":0}
A Novel Mode-Matching Formulation of Multifurcated Waveguide Junctions
Abstract In this paper, we present a mode-matching-based formulation for the electromagnetic analysis of multifurcated waveguide problems, that is, the junction of a number of input waveguides with an output region of larger cross-section area. A generalized scattering matrix (GSM) representation is obtained for relating the forward and backward modal field amplitudes in each of the waveguides in terms of coupling integrals representing the conservation of the reaction of the electromagnetic fields. Numerical results for several multifurcated coaxial waveguide devices are provided to validate the formulation. Comparisons against the finite-element method demonstrate that the present approach can accurately model multifurcated waveguide problems. The method introduced here provides useful matrix formulas that allow us to model multi-port waveguide devices by reusing well-known coupling integrals of two-port problems.
期刊介绍：
The Journal of Microwaves, Optoelectronics and Electromagnetic Applications (JMOe), published by the Brazilian Microwave and Optoelectronics Society (SBMO) and Brazilian Society of Electromagnetism (SBMag), is a professional, refereed publication devoted to disseminating technical information in the areas of Microwaves, Optoelectronics, Photonics, and Electromagnetic Applications. Authors are invited to submit original work in one or more of the following topics. Electromagnetic Field Analysis[...] Computer Aided Design [...] Microwave Technologies [...] Photonic Technologies [...] Packaging, Integration and Test [...] Millimeter Wave Technologies [...] Electromagnetic Applications[...] Other Topics [...] Antennas [...] Articles in all aspects of microwave, optoelectronics, photonic devices and applications will be covered in the journal. All submitted papers will be peer-reviewed under supervision of the editors and the editorial board.
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