Concept of an asymmetric metasurface absorber

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Wang, Xuchen
dc.contributor.author Díaz-Rubio, Ana
dc.contributor.author Asadchy, Viktar S.
dc.contributor.author Tretyakov, Sergei A.
dc.date.accessioned 2018-12-21T10:30:09Z
dc.date.available 2018-12-21T10:30:09Z
dc.date.issued 2018-01-01
dc.identifier.citation Wang , X , Díaz-Rubio , A , Asadchy , V S & Tretyakov , S A 2018 , Concept of an asymmetric metasurface absorber . in 12th European Conference on Antennas and Propagation, EuCAP 2018 . IET , European Conference on Antennas and Propagation , London , United Kingdom , 09/04/2018 . DOI: 10.1049/cp.2018.0658 en
dc.identifier.isbn 978-1-78561-815-4
dc.identifier.isbn 978-1-78561-816-1
dc.identifier.other PURE UUID: 492b4b90-4d9e-4584-96e5-ef12c2006311
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/concept-of-an-asymmetric-metasurface-absorber(492b4b90-4d9e-4584-96e5-ef12c2006311).html
dc.identifier.other PURE LINK: http://www.scopus.com/inward/record.url?scp=85057318254&partnerID=8YFLogxK
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/30330980/ELEC_wang_eucap.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/35648
dc.description.abstract In this talk we show how to break the angular symmetry of electromagnetic response of thin absorbers. Based on our recent results on multichannel metasurfaces, we propose a new concept of asymmetric absorbers in which the absorption coefficient for waves impinging from a given oblique angle is extraordinarily different from that for waves incident from the oppositely tilted direction. The proposed asymmetric structure realizes controllable reflectance (from 0 to 0.99) for waves incident from one direction, exhibiting total absorption when the sign of the incidence angle is reversed. We provide a theoretical analysis for the asymmetric absorber as well as a numerical verification. en
dc.format.extent 3
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartof European Conference on Antennas and Propagation en
dc.relation.ispartofseries 12th European Conference on Antennas and Propagation, EuCAP 2018 en
dc.rights openAccess en
dc.subject.other Electrical and Electronic Engineering en
dc.subject.other 114 Physical sciences en
dc.title Concept of an asymmetric metasurface absorber en
dc.type A4 Artikkeli konferenssijulkaisussa fi
dc.description.version Peer reviewed en
dc.contributor.department Department of Electronics and Nanoengineering
dc.contributor.department Sergei Tretiakov Group
dc.subject.keyword Absorbers
dc.subject.keyword Asymmetric
dc.subject.keyword Floquet harmonics
dc.subject.keyword Multichannel metasurfaces
dc.subject.keyword Surface impedances
dc.subject.keyword Electrical and Electronic Engineering
dc.subject.keyword 114 Physical sciences
dc.identifier.urn URN:NBN:fi:aalto-201812216657
dc.identifier.doi 10.1049/cp.2018.0658
dc.type.version acceptedVersion


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