{"title":"On the Possibilities of Constructing Theoretical Models of Invisible Objects Using the Eikonal Equation","authors":"","doi":"10.1007/s11141-024-10301-2","DOIUrl":null,"url":null,"abstract":"<p>We study the possibilities of using the eikonal equation to construct theoretical models of objects that become invisible under certain illumination conditions. The characteristics of the cloaking coating, which performs its functions for a given direction of wave incidence on the cloaked volume of space, are calculated. A method for constructing models of cylindrical objects that are invisible at arbitrary azimuthal and given zenith angles of illumination is proposed. It is shown that by employing the eikonal equation, it is possible to design invisible objects from materials with refractive indices of different signs.</p>","PeriodicalId":748,"journal":{"name":"Radiophysics and Quantum Electronics","volume":null,"pages":null},"PeriodicalIF":0.8000,"publicationDate":"2024-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Radiophysics and Quantum Electronics","FirstCategoryId":"5","ListUrlMain":"https://doi.org/10.1007/s11141-024-10301-2","RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
引用次数: 0
Abstract
We study the possibilities of using the eikonal equation to construct theoretical models of objects that become invisible under certain illumination conditions. The characteristics of the cloaking coating, which performs its functions for a given direction of wave incidence on the cloaked volume of space, are calculated. A method for constructing models of cylindrical objects that are invisible at arbitrary azimuthal and given zenith angles of illumination is proposed. It is shown that by employing the eikonal equation, it is possible to design invisible objects from materials with refractive indices of different signs.
期刊介绍：
Radiophysics and Quantum Electronics contains the most recent and best Russian research on topics such as:
Radio astronomy;
Plasma astrophysics;
Ionospheric, atmospheric and oceanic physics;
Radiowave propagation;
Quantum radiophysics;
Pphysics of oscillations and waves;
Physics of plasmas;
Statistical radiophysics;
Electrodynamics;
Vacuum and plasma electronics;
Acoustics;
Solid-state electronics.
Radiophysics and Quantum Electronics is a translation of the Russian journal Izvestiya VUZ. Radiofizika, published by the Radiophysical Research Institute and N.I. Lobachevsky State University at Nizhnii Novgorod, Russia. The Russian volume-year is published in English beginning in April.
All articles are peer-reviewed.
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