Electronically steered metasurface antenna

Abstract Mobile devices, climate science, and autonomous vehicles all require advanced microwave antennas for imaging, radar, and wireless communications. We propose a waveguide-fed metasurface antenna architecture that enables electronic beamsteering from a lightweight circuit board with varactor-t...

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Autores principales:	Michael Boyarsky, Timothy Sleasman, Mohammadreza F. Imani, Jonah N. Gollub, David R. Smith
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/79fb92753d534d6abd7dd97b5db681c5
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id	oai:doaj.org-article:79fb92753d534d6abd7dd97b5db681c5
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spelling	oai:doaj.org-article:79fb92753d534d6abd7dd97b5db681c52021-12-02T13:30:50ZElectronically steered metasurface antenna10.1038/s41598-021-83377-92045-2322https://doaj.org/article/79fb92753d534d6abd7dd97b5db681c52021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-83377-9https://doaj.org/toc/2045-2322Abstract Mobile devices, climate science, and autonomous vehicles all require advanced microwave antennas for imaging, radar, and wireless communications. We propose a waveguide-fed metasurface antenna architecture that enables electronic beamsteering from a lightweight circuit board with varactor-tuned elements. Our approach uses a unique feed structure and layout that enables spatial sampling at the Nyquist limit of half a wavelength. We detail the design of this Nyquist metasurface antenna and experimentally demonstrate electronic beamsteering in two directions. Nyquist metasurface antennas can realize high performance without costly and power hungry phase shifters, making them a compelling technology for future antenna hardware.Michael BoyarskyTimothy SleasmanMohammadreza F. ImaniJonah N. GollubDavid R. SmithNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Michael Boyarsky Timothy Sleasman Mohammadreza F. Imani Jonah N. Gollub David R. Smith Electronically steered metasurface antenna
description	Abstract Mobile devices, climate science, and autonomous vehicles all require advanced microwave antennas for imaging, radar, and wireless communications. We propose a waveguide-fed metasurface antenna architecture that enables electronic beamsteering from a lightweight circuit board with varactor-tuned elements. Our approach uses a unique feed structure and layout that enables spatial sampling at the Nyquist limit of half a wavelength. We detail the design of this Nyquist metasurface antenna and experimentally demonstrate electronic beamsteering in two directions. Nyquist metasurface antennas can realize high performance without costly and power hungry phase shifters, making them a compelling technology for future antenna hardware.
format	article
author	Michael Boyarsky Timothy Sleasman Mohammadreza F. Imani Jonah N. Gollub David R. Smith
author_facet	Michael Boyarsky Timothy Sleasman Mohammadreza F. Imani Jonah N. Gollub David R. Smith
author_sort	Michael Boyarsky
title	Electronically steered metasurface antenna
title_short	Electronically steered metasurface antenna
title_full	Electronically steered metasurface antenna
title_fullStr	Electronically steered metasurface antenna
title_full_unstemmed	Electronically steered metasurface antenna
title_sort	electronically steered metasurface antenna
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/79fb92753d534d6abd7dd97b5db681c5
work_keys_str_mv	AT michaelboyarsky electronicallysteeredmetasurfaceantenna AT timothysleasman electronicallysteeredmetasurfaceantenna AT mohammadrezafimani electronicallysteeredmetasurfaceantenna AT jonahngollub electronicallysteeredmetasurfaceantenna AT davidrsmith electronicallysteeredmetasurfaceantenna
_version_	1718392924280979456

Electronically steered metasurface antenna

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