Mechanically reconfigurable multi-functional meta-optics studied at microwave frequencies

Abstract Metasurfaces advanced the field of optics by reducing the thickness of optical components and merging multiple functionalities into a single layer device. However, this generally comes with a reduction in performance, especially for multi-functional and broadband applications. Three-dimensi...

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Autores principales:	Conner Ballew, Gregory Roberts, Sarah Camayd-Muñoz, Maximilien F. Debbas, Andrei Faraon
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/dac517fab0e342e5ababaa84ed05b961
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spelling	oai:doaj.org-article:dac517fab0e342e5ababaa84ed05b9612021-12-02T15:00:20ZMechanically reconfigurable multi-functional meta-optics studied at microwave frequencies10.1038/s41598-021-88785-52045-2322https://doaj.org/article/dac517fab0e342e5ababaa84ed05b9612021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-88785-5https://doaj.org/toc/2045-2322Abstract Metasurfaces advanced the field of optics by reducing the thickness of optical components and merging multiple functionalities into a single layer device. However, this generally comes with a reduction in performance, especially for multi-functional and broadband applications. Three-dimensional metastructures can provide the necessary degrees of freedom for advanced applications, while maintaining minimal thickness. This work explores mechanically reconfigurable devices that perform focusing, spectral demultiplexing, and polarization sorting based on mechanical configuration. As proof of concept, a rotatable device, a device based on rotating squares, and a shearing-based device are designed with adjoint-based topology optimization, 3D-printed, and measured at microwave frequencies (7.6–11.6 GHz) in an anechoic chamber.Conner BallewGregory RobertsSarah Camayd-MuñozMaximilien F. DebbasAndrei FaraonNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Conner Ballew Gregory Roberts Sarah Camayd-Muñoz Maximilien F. Debbas Andrei Faraon Mechanically reconfigurable multi-functional meta-optics studied at microwave frequencies
description	Abstract Metasurfaces advanced the field of optics by reducing the thickness of optical components and merging multiple functionalities into a single layer device. However, this generally comes with a reduction in performance, especially for multi-functional and broadband applications. Three-dimensional metastructures can provide the necessary degrees of freedom for advanced applications, while maintaining minimal thickness. This work explores mechanically reconfigurable devices that perform focusing, spectral demultiplexing, and polarization sorting based on mechanical configuration. As proof of concept, a rotatable device, a device based on rotating squares, and a shearing-based device are designed with adjoint-based topology optimization, 3D-printed, and measured at microwave frequencies (7.6–11.6 GHz) in an anechoic chamber.
format	article
author	Conner Ballew Gregory Roberts Sarah Camayd-Muñoz Maximilien F. Debbas Andrei Faraon
author_facet	Conner Ballew Gregory Roberts Sarah Camayd-Muñoz Maximilien F. Debbas Andrei Faraon
author_sort	Conner Ballew
title	Mechanically reconfigurable multi-functional meta-optics studied at microwave frequencies
title_short	Mechanically reconfigurable multi-functional meta-optics studied at microwave frequencies
title_full	Mechanically reconfigurable multi-functional meta-optics studied at microwave frequencies
title_fullStr	Mechanically reconfigurable multi-functional meta-optics studied at microwave frequencies
title_full_unstemmed	Mechanically reconfigurable multi-functional meta-optics studied at microwave frequencies
title_sort	mechanically reconfigurable multi-functional meta-optics studied at microwave frequencies
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/dac517fab0e342e5ababaa84ed05b961
work_keys_str_mv	AT connerballew mechanicallyreconfigurablemultifunctionalmetaopticsstudiedatmicrowavefrequencies AT gregoryroberts mechanicallyreconfigurablemultifunctionalmetaopticsstudiedatmicrowavefrequencies AT sarahcamaydmunoz mechanicallyreconfigurablemultifunctionalmetaopticsstudiedatmicrowavefrequencies AT maximilienfdebbas mechanicallyreconfigurablemultifunctionalmetaopticsstudiedatmicrowavefrequencies AT andreifaraon mechanicallyreconfigurablemultifunctionalmetaopticsstudiedatmicrowavefrequencies
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Mechanically reconfigurable multi-functional meta-optics studied at microwave frequencies

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