Analysis and experimental investigation of a subwavelength phased parallel-plate waveguide array for manipulation of electromagnetic waves

Abstract Phase-gradient metasurfaces can be designed to manipulate electromagnetic waves according to the generalized Snell’s law. Here, we show that a phased parallel-plate waveguide array (PPWA) can be devised to act in the same manner as a phase-gradient metasurface. We derive an analytic model t...

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Autores principales:	Dominic Palm, Zinching Dang, Marco Rahm
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2019
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/681fabe007a9496e84ea4b6a880ff0ed
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spelling	oai:doaj.org-article:681fabe007a9496e84ea4b6a880ff0ed2021-12-02T16:08:43ZAnalysis and experimental investigation of a subwavelength phased parallel-plate waveguide array for manipulation of electromagnetic waves10.1038/s41598-019-47272-82045-2322https://doaj.org/article/681fabe007a9496e84ea4b6a880ff0ed2019-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-019-47272-8https://doaj.org/toc/2045-2322Abstract Phase-gradient metasurfaces can be designed to manipulate electromagnetic waves according to the generalized Snell’s law. Here, we show that a phased parallel-plate waveguide array (PPWA) can be devised to act in the same manner as a phase-gradient metasurface. We derive an analytic model that describes the wave propagation in the PPWA and calculate both the angle and amplitude distribution of the diffracted waves. The analytic model provides an intuitive understanding of the diffraction from the PPWA. We verify the (semi-)analytically calculated angle and amplitude distribution of the diffracted waves by numerical 3-D simulations and experimental measurements in a microwave goniometer.Dominic PalmZinching DangMarco RahmNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 9, Iss 1, Pp 1-10 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Dominic Palm Zinching Dang Marco Rahm Analysis and experimental investigation of a subwavelength phased parallel-plate waveguide array for manipulation of electromagnetic waves
description	Abstract Phase-gradient metasurfaces can be designed to manipulate electromagnetic waves according to the generalized Snell’s law. Here, we show that a phased parallel-plate waveguide array (PPWA) can be devised to act in the same manner as a phase-gradient metasurface. We derive an analytic model that describes the wave propagation in the PPWA and calculate both the angle and amplitude distribution of the diffracted waves. The analytic model provides an intuitive understanding of the diffraction from the PPWA. We verify the (semi-)analytically calculated angle and amplitude distribution of the diffracted waves by numerical 3-D simulations and experimental measurements in a microwave goniometer.
format	article
author	Dominic Palm Zinching Dang Marco Rahm
author_facet	Dominic Palm Zinching Dang Marco Rahm
author_sort	Dominic Palm
title	Analysis and experimental investigation of a subwavelength phased parallel-plate waveguide array for manipulation of electromagnetic waves
title_short	Analysis and experimental investigation of a subwavelength phased parallel-plate waveguide array for manipulation of electromagnetic waves
title_full	Analysis and experimental investigation of a subwavelength phased parallel-plate waveguide array for manipulation of electromagnetic waves
title_fullStr	Analysis and experimental investigation of a subwavelength phased parallel-plate waveguide array for manipulation of electromagnetic waves
title_full_unstemmed	Analysis and experimental investigation of a subwavelength phased parallel-plate waveguide array for manipulation of electromagnetic waves
title_sort	analysis and experimental investigation of a subwavelength phased parallel-plate waveguide array for manipulation of electromagnetic waves
publisher	Nature Portfolio
publishDate	2019
url	https://doaj.org/article/681fabe007a9496e84ea4b6a880ff0ed
work_keys_str_mv	AT dominicpalm analysisandexperimentalinvestigationofasubwavelengthphasedparallelplatewaveguidearrayformanipulationofelectromagneticwaves AT zinchingdang analysisandexperimentalinvestigationofasubwavelengthphasedparallelplatewaveguidearrayformanipulationofelectromagneticwaves AT marcorahm analysisandexperimentalinvestigationofasubwavelengthphasedparallelplatewaveguidearrayformanipulationofelectromagneticwaves
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Analysis and experimental investigation of a subwavelength phased parallel-plate waveguide array for manipulation of electromagnetic waves

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