{"title":"时变超表面的瞬变电磁平面波散射:基于互易性的时域方法","authors":"Martin Štumpf;Giulio Antonini;Jonas Ekman","doi":"10.1109/JMMCT.2023.3268413","DOIUrl":null,"url":null,"abstract":"The pulsed electromagnetic (EM) plane-wave scattering by a thin, high-contrast metasurface with time-varying magneto-dielectric properties is analyzed analytically with the aid of the time-domain (TD) EM reciprocity theorem of the time-convolution type. It is shown that the (1+1)-spacetime scattering problem can be reduced to a system of two uncoupled differential equations that are amenable to analytical solution. The resulting fields induced in the thin layer are subsequently used to express the desired scattered fields. The pertaining zero-reflection condition is discussed. Illustrative numerical examples are presented and validated numerically.","PeriodicalId":52176,"journal":{"name":"IEEE Journal on Multiscale and Multiphysics Computational Techniques","volume":null,"pages":null},"PeriodicalIF":1.8000,"publicationDate":"2023-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Transient Electromagnetic Plane Wave Scattering by a Time-Varying Metasurface: A Time-Domain Approach Based on Reciprocity\",\"authors\":\"Martin Štumpf;Giulio Antonini;Jonas Ekman\",\"doi\":\"10.1109/JMMCT.2023.3268413\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The pulsed electromagnetic (EM) plane-wave scattering by a thin, high-contrast metasurface with time-varying magneto-dielectric properties is analyzed analytically with the aid of the time-domain (TD) EM reciprocity theorem of the time-convolution type. It is shown that the (1+1)-spacetime scattering problem can be reduced to a system of two uncoupled differential equations that are amenable to analytical solution. The resulting fields induced in the thin layer are subsequently used to express the desired scattered fields. The pertaining zero-reflection condition is discussed. Illustrative numerical examples are presented and validated numerically.\",\"PeriodicalId\":52176,\"journal\":{\"name\":\"IEEE Journal on Multiscale and Multiphysics Computational Techniques\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":1.8000,\"publicationDate\":\"2023-04-19\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IEEE Journal on Multiscale and Multiphysics Computational Techniques\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://ieeexplore.ieee.org/document/10105446/\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"ENGINEERING, ELECTRICAL & ELECTRONIC\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Journal on Multiscale and Multiphysics Computational Techniques","FirstCategoryId":"1085","ListUrlMain":"https://ieeexplore.ieee.org/document/10105446/","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
Transient Electromagnetic Plane Wave Scattering by a Time-Varying Metasurface: A Time-Domain Approach Based on Reciprocity
The pulsed electromagnetic (EM) plane-wave scattering by a thin, high-contrast metasurface with time-varying magneto-dielectric properties is analyzed analytically with the aid of the time-domain (TD) EM reciprocity theorem of the time-convolution type. It is shown that the (1+1)-spacetime scattering problem can be reduced to a system of two uncoupled differential equations that are amenable to analytical solution. The resulting fields induced in the thin layer are subsequently used to express the desired scattered fields. The pertaining zero-reflection condition is discussed. Illustrative numerical examples are presented and validated numerically.
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