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Broadband negative-index surface-waves on arrays of capped helices

dc.contributor.authorPetrov, P
dc.contributor.authorHibbins, AP
dc.contributor.authorSambles, JR
dc.contributor.authorAboulkhair, N
dc.contributor.authorSaleh, E
dc.date.accessioned2021-10-08T14:34:55Z
dc.date.issued2021-11-19
dc.description.abstractA novel metasurface comprised of capped helices arranged as a hexagonal array that supports a broadband near-isotropic negative-index microwave surface-wave is designed, manufactured, and experimentally characterized. The surface-mode dispersion is studied both numerically and experimentally with the operational band more than double the bandwidth of structures previously reported in the literature. Hence, it is shown how one may provide a structured surface that supports just a negative-index mode over a wide operational band with no forward wave being simultaneously excited.en_GB
dc.description.sponsorshipEngineering and Physical Sciences Research Council (EPSRC)en_GB
dc.description.sponsorshipDefence Science and Technology Laboratory (DSTL)en_GB
dc.identifier.citationVol. 3, article 043129en_GB
dc.identifier.doi10.1103/PhysRevResearch.3.043129
dc.identifier.grantnumberEP/L015331/1en_GB
dc.identifier.grantnumberDSTLX1000133579en_GB
dc.identifier.urihttp://hdl.handle.net/10871/127392
dc.language.isoenen_GB
dc.publisherAmerican Physical Societyen_GB
dc.rights© 2021. Open access. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.en_GB
dc.titleBroadband negative-index surface-waves on arrays of capped helicesen_GB
dc.typeArticleen_GB
dc.date.available2021-10-08T14:34:55Z
dc.identifier.issn2643-1564
dc.descriptionThis is the final version. Available on open access from the American Physical Society via the DOI in this recorden_GB
dc.identifier.journalPhysical Review Researchen_GB
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en_GB
dcterms.dateAccepted2021-09-16
exeter.funder::Engineering and Physical Sciences Research Council (EPSRC)en_GB
rioxxterms.versionVoRen_GB
rioxxterms.licenseref.startdate2021-09-16
rioxxterms.typeJournal Article/Reviewen_GB
refterms.dateFCD2021-10-08T13:41:55Z
refterms.versionFCDAM
refterms.dateFOA2021-12-08T13:46:45Z
refterms.panelBen_GB


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© 2021. Open access. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
Except where otherwise noted, this item's licence is described as © 2021. Open access. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.