Left-and right-handed transmission peaks near the magnetic resonance frequency in composite metamaterials

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buir.contributor.authorÖzbay, Ekmel
buir.contributor.orcidÖzbay, Ekmel|0000-0003-2953-1828
dc.citation.epage1-201101-4en_US
dc.citation.issueNumber20en_US
dc.citation.spage201101en_US
dc.citation.volumeNumber70en_US
dc.contributor.authorKatsarakis, N.en_US
dc.contributor.authorKoschny, T.en_US
dc.contributor.authorKafesaki, M.en_US
dc.contributor.authorEconomou, E. N.en_US
dc.contributor.authorÖzbay, Ekmelen_US
dc.contributor.authorSoukoulis, C. M.en_US
dc.date.accessioned2016-02-08T10:25:32Z
dc.date.available2016-02-08T10:25:32Z
dc.date.issued2004en_US
dc.departmentDepartment of Physicsen_US
dc.description.abstractWe present free-space microwave measurements on composite metamaterials (CMMs) consisting of split ring resonators (SRRs) and wires either on the same dielectric board or on alternating boards. Our experimental results disprove the widely held belief that the occurrence of a CMM transmission peak within the stop bands of the SRRs alone and wires alone constitutes a clear demonstration of left-handed (LH) behavior. This belief is based on the assumption that the stop bands of SRRs alone and wires alone are not affected by the simultaneous presence of both. We show here that this assumption is wrong: The effective plasma frequency, ω′p, of the CMM is actually substantially lower than the wires-only plasma frequency, ωp; furthermore, the in-plane wires, as opposed to the off-plane case, push the magnetic resonance frequency of the SRRs, ωm, to a higher value, ω′m, for the CMM. We conclude that the criterion for deciding whether a peak in the transmission spectrum through a CMM is really left-handed is for the peak to be located above ω′m and below ω′p. Our results provide a definite way for experimentally identifying ω′p.en_US
dc.identifier.doi10.1103/PhysRevB.70.201101en_US
dc.identifier.issn0163-1829
dc.identifier.urihttp://hdl.handle.net/11693/24197
dc.language.isoEnglishen_US
dc.publisherAmerican Physical Societyen_US
dc.relation.isversionofhttp://dx.doi.org/10.1103/PhysRevB.70.201101en_US
dc.source.titlePhysical Review B - Condensed Matter and Materials Physicsen_US
dc.subjectElectromagnetic fielden_US
dc.subjectFrequency analysisen_US
dc.subjectMeasurementen_US
dc.subjectMicrowave radiationen_US
dc.subjectNuclear magnetic resonanceen_US
dc.subjectSpectroscopyen_US
dc.titleLeft-and right-handed transmission peaks near the magnetic resonance frequency in composite metamaterialsen_US
dc.typeArticleen_US

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