Temperature-mediated invocation of the vacuum state for switchable ultrawide-angle and broadband deflection

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buir.contributor.authorAalizadeh, Majid
buir.contributor.authorÖzbay, Ekmel
buir.contributor.orcidÖzbay, Ekmel|0000-0003-2953-1828
dc.citation.epage15044-1en_US
dc.citation.issueNumber1en_US
dc.citation.spage15044-8en_US
dc.citation.volumeNumber8en_US
dc.contributor.authorSerebryannikov, A. E.en_US
dc.contributor.authorLakhtakia, A.en_US
dc.contributor.authorAalizadeh, Majiden_US
dc.contributor.authorÖzbay, Ekmelen_US
dc.contributor.authorVandenbosch, G. A. E.en_US
dc.date.accessioned2019-02-21T16:02:38Z
dc.date.available2019-02-21T16:02:38Z
dc.date.issued2018en_US
dc.departmentNanotechnology Research Center (NANOTAM)en_US
dc.departmentDepartment of Physicsen_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.description.abstractTemperature-mediated appearance and disappearance of a deflection grating in a diffracting structure is possible by employing InSb as the grating material. InSb transits from the dielectric state to the plasmonic state in the terahertz regime as the temperature increases, this transition being reversible. An intermediate state is the vacuum state in which the real part of the relative permittivity of InSb equals unity while the imaginary part is much smaller. Then the grating virtually disappears, deflection being impossible as only specular reflection can occur. This ON/OFF switching of deflection and relevant angular filtering are realizable over wide ranges of frequency and incidence angle by a temperature change of as low as 20 K. The vacuum state of InSb invoked for ON/OFF switching of deflection and relevant angular filtering can also be obtained for thermally tunable materials other than InSb as well as by using non-thermal mechanisms.
dc.identifier.doi10.1038/s41598-018-32977-z
dc.identifier.issn2045-2322
dc.identifier.urihttp://hdl.handle.net/11693/50027
dc.language.isoEnglish
dc.publisherNature Publishing Group
dc.relation.isversionofhttps://doi.org/10.1038/s41598-018-32977-z
dc.rightsinfo:eu-repo/semantics/openAccess
dc.source.titleScientific Reportsen_US
dc.titleTemperature-mediated invocation of the vacuum state for switchable ultrawide-angle and broadband deflectionen_US
dc.typeArticleen_US
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Nanotechnology Research Center (NANOTAM)
Department of Electrical and Electronics Engineering
Department of Physics
Institute of Materials Science and Nanotechnology (UNAM)