The almost magical world of metamaterials

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buir.contributor.authorÖzbay, Ekmel
buir.contributor.orcidÖzbay, Ekmel|0000-0003-2953-1828
dc.citation.epage74en_US
dc.citation.spage73en_US
dc.contributor.authorÖzbay, Ekmelen_US
dc.coverage.spatialAcapulco, Mexico
dc.date.accessioned2016-02-08T11:35:22Z
dc.date.available2016-02-08T11:35:22Z
dc.date.issued2008-11en_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.departmentNanotechnology Research Center (NANOTAM)en_US
dc.descriptionDate of Conference: 9-13 Nov. 2008
dc.descriptionConference name: LEOS 2008 - 21st Annual Meeting of the IEEE Lasers and Electro-Optics Society
dc.description.abstractIn recent years, there has been a burgeoning interest in rapidly growing field of metamaterials due to their unprecedented properties unattainable from ordinary materials. Veselago pointed out that a material exhibiting negative values of dielectric permittivity (epsiv) and magnetic permeability (mu) would have a negative refractive index [1]. Generally speaking, the dielectric permittivity (epsiv) and the magnetic permeability (mu) are both positive for natural materials. In fact, it is possible to obtain negative values for epsiv and mu by utilizing proper designs of metamaterials. Left-handed electromagnetism and negative refraction are achievable with artificially structured metamaterials exhibiting negative values of permittivity and permeability simultaneously at a certain frequency region. The first steps to realize these novel type of materials were taken by Smith et al., where they were able to observe a left-handed propagation band at frequencies where both dielectric permittivity and magnetic permeability of the composite metamaterial are negative [2]. Soon after, left-handed metamaterials with an effective negative index of refraction are successfully demonstrated by various groups.en_US
dc.description.provenanceMade available in DSpace on 2016-02-08T11:35:22Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 70227 bytes, checksum: 26e812c6f5156f83f0e77b261a471b5a (MD5) Previous issue date: 2008en
dc.identifier.doi10.1109/LEOS.2008.4688494en_US
dc.identifier.issn1092-8081
dc.identifier.urihttp://hdl.handle.net/11693/26774
dc.language.isoEnglishen_US
dc.publisherIEEE
dc.relation.isversionofhttp://dx.doi.org/10.1109/LEOS.2008.4688494en_US
dc.source.titleConference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOSen_US
dc.subjectMetamaterials
dc.subjectMagnetic materials
dc.subjectDielectric materials
dc.subjectPermittivity
dc.subjectPermeability
dc.subjectFrequency
dc.subjectRefractive index
dc.subjectElectromagnetic refraction
dc.subjectComposite materials
dc.subjectElectromagnetic propagation
dc.titleThe almost magical world of metamaterialsen_US
dc.typeConference Paperen_US

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