Negative refraction and subwavelength focusing in two-dimensional photonic crystals

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buir.contributor.orcidÖzbay, Ekmel|0000-0003-2953-1828
dc.citation.epage165en_US
dc.citation.spage149en_US
dc.citation.volumeNumber98en_US
dc.contributor.authorÖzbay, Ekmelen_US
dc.contributor.authorÖzkan, Goncaen_US
dc.contributor.editorKrowne, C. M.
dc.contributor.editorZhang, Y.
dc.date.accessioned2019-05-22T11:37:40Z
dc.date.available2019-05-22T11:37:40Z
dc.date.issued2007en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.departmentDepartment of Physicsen_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.departmentNanotechnology Research Center (NANOTAM)en_US
dc.descriptionChapter 6
dc.description.abstractWe experimentally and theoretically demonstrate negative refraction and focusing on electromagnetic (EM) waves by using two-dimensional photonic crystal slabs at microwave frequencies. Negative refraction is observed both for transverse magnetic (TM) and transverse electric (TE) polarized incident EM waves. Gaussian beam shifting method is used to verify negative refractive index. Subwavelength imaging and flat lens behavior of photonic crystals are successfully demonstrated. We have been able to overcome the diffraction limit and focus the EM waves to a spot size of 0.21θ. Metallodielectric photonic crystals are employed to increase the range of angles of incidence that results in negative refraction. Experimental results and theoretical calculations are in good agreement throughout the work.en_US
dc.description.provenanceSubmitted by Evrim Ergin (eergin@bilkent.edu.tr) on 2019-05-22T11:37:40Z No. of bitstreams: 1 Negative_refraction_and_subwavelength_focusing_in_two_dimensional_photonic_crystals.pdf: 4580357 bytes, checksum: a0262bc66ae5b3e184b709c0ef00ea35 (MD5)en
dc.description.provenanceMade available in DSpace on 2019-05-22T11:37:40Z (GMT). No. of bitstreams: 1 Negative_refraction_and_subwavelength_focusing_in_two_dimensional_photonic_crystals.pdf: 4580357 bytes, checksum: a0262bc66ae5b3e184b709c0ef00ea35 (MD5) Previous issue date: 2007en
dc.identifier.doi10.1007/978-3-540-72132-1_6en_US
dc.identifier.eisbn9783540721321
dc.identifier.isbn9783540721314
dc.identifier.urihttp://hdl.handle.net/11693/51471
dc.language.isoEnglishen_US
dc.publisherSpringer-Verlagen_US
dc.relation.ispartofPhysics of negative refraction and negative index materials optical and electronic aspects and diversified approachesen_US
dc.relation.ispartofseriesSpringer Series in Materials Science;
dc.relation.isversionofhttps://doi.org/10.1007/978-3-540-72132-1_6en_US
dc.relation.isversionofhttps://doi.org/10.1007/978-3-540-72132-1en_US
dc.subjectPhotonic crystalen_US
dc.subjectNegative refractionen_US
dc.subjectNegative refractive indexen_US
dc.subjectPhotonic crystal structureen_US
dc.subjectMonopole antennaen_US
dc.titleNegative refraction and subwavelength focusing in two-dimensional photonic crystalsen_US
dc.typeBook Chapteren_US

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