Surface wave reflection from a metasurface termination

Abstract The reflection coefficient of a microwave surface wave incident at the termination of a metasurface is explored. Two different surface types are examined. One is a square array of square metallic patches on a dielectric-coated metallic ground plane, the other a Sievenpiper ‘mushroom’ array....

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Main Authors:	S. J. Berry, A. P. Hibbins, J. R. Sambles
Format:	article
Language:	EN
Published:	Nature Portfolio 2021
Subjects:	Medicine R Science Q
Online Access:	https://doaj.org/article/ba9ff734f0cb4723bc9f7b97bfdbeec4
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spelling	oai:doaj.org-article:ba9ff734f0cb4723bc9f7b97bfdbeec42021-12-02T17:48:00ZSurface wave reflection from a metasurface termination10.1038/s41598-021-90429-72045-2322https://doaj.org/article/ba9ff734f0cb4723bc9f7b97bfdbeec42021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-90429-7https://doaj.org/toc/2045-2322Abstract The reflection coefficient of a microwave surface wave incident at the termination of a metasurface is explored. Two different surface types are examined. One is a square array of square metallic patches on a dielectric-coated metallic ground plane, the other a Sievenpiper ‘mushroom’ array. In the latter the surface wave fields are more confined within the structure. Comparison of the measured surface-wave reflection spectra is made with that obtained from analytic theory and numerical modelling. The reflection coefficient is shown to be dependent on both the momentum mismatch between the surface wave and the freely propagating modes as well as the different field distributions of the two modes.S. J. BerryA. P. HibbinsJ. R. SamblesNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-6 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q S. J. Berry A. P. Hibbins J. R. Sambles Surface wave reflection from a metasurface termination
description	Abstract The reflection coefficient of a microwave surface wave incident at the termination of a metasurface is explored. Two different surface types are examined. One is a square array of square metallic patches on a dielectric-coated metallic ground plane, the other a Sievenpiper ‘mushroom’ array. In the latter the surface wave fields are more confined within the structure. Comparison of the measured surface-wave reflection spectra is made with that obtained from analytic theory and numerical modelling. The reflection coefficient is shown to be dependent on both the momentum mismatch between the surface wave and the freely propagating modes as well as the different field distributions of the two modes.
format	article
author	S. J. Berry A. P. Hibbins J. R. Sambles
author_facet	S. J. Berry A. P. Hibbins J. R. Sambles
author_sort	S. J. Berry
title	Surface wave reflection from a metasurface termination
title_short	Surface wave reflection from a metasurface termination
title_full	Surface wave reflection from a metasurface termination
title_fullStr	Surface wave reflection from a metasurface termination
title_full_unstemmed	Surface wave reflection from a metasurface termination
title_sort	surface wave reflection from a metasurface termination
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/ba9ff734f0cb4723bc9f7b97bfdbeec4
work_keys_str_mv	AT sjberry surfacewavereflectionfromametasurfacetermination AT aphibbins surfacewavereflectionfromametasurfacetermination AT jrsambles surfacewavereflectionfromametasurfacetermination
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Surface wave reflection from a metasurface termination

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