Tailoring the dispersion characteristics in planar arrays of discrete and coalesced split ring resonators

In this report, the coupling and dispersion characteristics of discrete and coalesced square resonators was investigated in the MHz regime. Resonators with one and three gaps were considered. When the resonators are not in direct contact, the number of gaps has little effect upon the total coupling,...

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Autores principales: Spanos, Ioannis, Stevens, Christopher John, Solymar, Laszlo, Shamonina, Ekaterina
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2023
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10652018/
https://www.ncbi.nlm.nih.gov/pubmed/37968309
http://dx.doi.org/10.1038/s41598-023-47216-3
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author Spanos, Ioannis
Stevens, Christopher John
Solymar, Laszlo
Shamonina, Ekaterina
author_facet Spanos, Ioannis
Stevens, Christopher John
Solymar, Laszlo
Shamonina, Ekaterina
author_sort Spanos, Ioannis
collection PubMed
description In this report, the coupling and dispersion characteristics of discrete and coalesced square resonators was investigated in the MHz regime. Resonators with one and three gaps were considered. When the resonators are not in direct contact, the number of gaps has little effect upon the total coupling, which is negative. When the resonators are connected so that they share one side, the coupling can change drastically depending on the number of gaps. In particular, when the shared side has a gap, the total coupling coefficient switches to positive values, making it possible for forward travelling waves to propagate on arrays. Experimental, numerical and analytical data verify this behaviour.
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spelling pubmed-106520182023-11-15 Tailoring the dispersion characteristics in planar arrays of discrete and coalesced split ring resonators Spanos, Ioannis Stevens, Christopher John Solymar, Laszlo Shamonina, Ekaterina Sci Rep Article In this report, the coupling and dispersion characteristics of discrete and coalesced square resonators was investigated in the MHz regime. Resonators with one and three gaps were considered. When the resonators are not in direct contact, the number of gaps has little effect upon the total coupling, which is negative. When the resonators are connected so that they share one side, the coupling can change drastically depending on the number of gaps. In particular, when the shared side has a gap, the total coupling coefficient switches to positive values, making it possible for forward travelling waves to propagate on arrays. Experimental, numerical and analytical data verify this behaviour. Nature Publishing Group UK 2023-11-15 /pmc/articles/PMC10652018/ /pubmed/37968309 http://dx.doi.org/10.1038/s41598-023-47216-3 Text en © The Author(s) 2023 https://creativecommons.org/licenses/by/4.0/Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) .
spellingShingle Article
Spanos, Ioannis
Stevens, Christopher John
Solymar, Laszlo
Shamonina, Ekaterina
Tailoring the dispersion characteristics in planar arrays of discrete and coalesced split ring resonators
title Tailoring the dispersion characteristics in planar arrays of discrete and coalesced split ring resonators
title_full Tailoring the dispersion characteristics in planar arrays of discrete and coalesced split ring resonators
title_fullStr Tailoring the dispersion characteristics in planar arrays of discrete and coalesced split ring resonators
title_full_unstemmed Tailoring the dispersion characteristics in planar arrays of discrete and coalesced split ring resonators
title_short Tailoring the dispersion characteristics in planar arrays of discrete and coalesced split ring resonators
title_sort tailoring the dispersion characteristics in planar arrays of discrete and coalesced split ring resonators
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10652018/
https://www.ncbi.nlm.nih.gov/pubmed/37968309
http://dx.doi.org/10.1038/s41598-023-47216-3
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