Accurate circuit modeling of fishnet structures for negative-index-medium applications

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dc.contributor.authorTorres Landívar, Víctor
dc.contributor.authorMesa, Francisco
dc.contributor.authorNavarro Cía, Miguel
dc.contributor.authorRodríguez Berral, Raúl
dc.contributor.authorBeruete Díaz, Miguel
dc.contributor.authorMedina, Francisco
dc.contributor.departmentIngeniería Eléctrica y Electrónicaes_ES
dc.contributor.departmentIngeniaritza Elektrikoa eta Elektronikoaeu
dc.date.accessioned2016-01-08T12:08:50Z
dc.date.available2016-01-08T12:08:50Z
dc.date.issued2016
dc.description.abstractMetallic plates with a two-dimensional (2D) periodic distribution of sub-wavelength apertures are known to exhibit extraordinary transmission of electromagnetic waves. Stacking two or more of such plates gives place to the so-called fishnet structures, which constitute a popular way of achieving an effective negative index medium at frequencies ranging from microwaves to optics. Unfortunately, a general wideband equivalent circuit has not yet been proposed to facilitate its understanding and design. This work presents this circuit model with closed-form expressions for the circuit elements, thus making it possible to obtain the electrical response for this class of structures in a very efficient way. This procedure is much faster than alternative numerical methods at the same time that it retains a high level of accuracy when compared with some other oversimplified models. The circuit model also provides a simple rationale as well as a good physical insight in order to explain the qualitative behavior of such structures, independently of the number of stacked layers.en
dc.description.sponsorshipThis work was supported by the Spanish Ministry of Economy and Competitiveness with European Union Feder Funds (under grants TEC2011-28664-C02-01, TEC2014-51902-C2-2-R, TEC2013-41913-P, and Consolider EMET CSD2008-00066, and by the Spanish Junta de Andalucía under Project P12-TIC-1435). The work of M. Beruete was supported by the Spanish Government via RYC-2011-08221.en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationV. Torres, F. Mesa, M. Navarro-Cía, R. Rodríguez-Berral, M. Beruete and F. Medina, "Accurate Circuit Modeling of Fishnet Structures for Negative-Index-Medium Applications," in IEEE Transactions on Microwave Theory and Techniques, vol. 64, no. 1, pp. 15-26, Jan. 2016. doi: 10.1109/TMTT.2015.2504441en
dc.identifier.doi10.1109/TMTT.2015.2504441
dc.identifier.issn0018-9480
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/19833
dc.language.isoengen
dc.publisherIEEEen
dc.relation.ispartofIEEE Transactions on Microwave Theory and Techniques, vol. 64, n.1en
dc.relation.projectIDinfo:eu-repo/grantAgreement/MICINN//TEC2011-28664-C02-01/ES/
dc.relation.projectIDinfo:eu-repo/grantAgreement/MINECO//TEC2014-51902-C2-2-R/ES/
dc.relation.projectIDinfo:eu-repo/grantAgreement/MINECO//TEC2013-41913-P/ES/
dc.relation.publisherversionhttps://dx.doi.org/10.1109/TMTT.2015.2504441
dc.rights© 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other worksen
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.subjectEquivalent circuit modelsen
dc.subjectExtraordinary transmission (ET)en
dc.subjectFishnet structuresen
dc.subjectMetamaterialsen
dc.subjectNegative index materials (NIMs)en
dc.titleAccurate circuit modeling of fishnet structures for negative-index-medium applicationsen
dc.typeinfo:eu-repo/semantics/article
dc.type.versioninfo:eu-repo/semantics/acceptedVersion
dspace.entity.typePublication
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relation.isAuthorOfPublication6853cbd8-0a88-42ab-b165-c51b99cb6353
relation.isAuthorOfPublication.latestForDiscovery9c1c5e8a-2171-418d-97d6-362069cf516a

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