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dc.creatorJakšić, Zoran
dc.creatorSarajlić, Milija
dc.creatorLazić, Žarko
dc.creatorDalarsson, Mariana
dc.creatorRandjelović, Danijela
dc.creatorRadulović, Katarina
dc.creatorTanasković, Dragan
dc.date.accessioned2019-01-30T17:34:01Z
dc.date.available2019-01-30T17:34:01Z
dc.date.issued2013
dc.identifier.issn1450-5835
dc.identifier.urihttps://cer.ihtm.bg.ac.rs/handle/123456789/1170
dc.description.abstractWe investigate theoretically and experimentally a binary metal-dielectric metamaterial with a sawtooth profile. The structure consists of a two-dimensional array of pillars with submicrometer diameters. The pillar diameters linearly vary along one axis and are constant along the other. This furnishes a serrated spatial profile of effective refractive index along a single axis. We first present a set of analytical solutions defining the electromagnetic fields in such a structure. Further we give the results of our experimental fabrication of gradient metamaterial with a sawtooth spatial profile. The basic material for pillars was photoresist. Their geometry was defined using direct laser writing. Resist was overexposed in controlled manner in order to obtain pillars with diameters below the nominal resolution of the laser writer. The microfabricated pillars were coated by a sputter-deposited aluminum film. For characterization we utilized optical and atomic force microscopy and angledependent Fourier Transform infrared spectroscopy. We envision the applicability of our graded metasurfaces in transformation optics.en
dc.publisherUdruženje za mikrotalasnu tehniku i tehnologiju i IEEE MTT-S Chapter-a Srbije, Beograd
dc.relationinfo:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/32008/RS//
dc.rightsopenAccess
dc.sourceMikrotalasna revija
dc.subjectmetamaterialsen
dc.subjectmetal-dielectricsen
dc.subjectfrequency-selective surfacesen
dc.subjectmicrofabricationen
dc.titleTwo-dimensional gradient-index metamaterial with sawtooth profileen
dc.typearticle
dc.rights.licenseARR
dcterms.abstractРанђеловић, Данијела; Јакшић, Зоран; Даларссон, Мариана; Сарајлић, Милија; Радуловић, Катарина; Лазић, Жарко; Танасковић, Драган;
dc.citation.volume19
dc.citation.issue2
dc.citation.spage96
dc.citation.epage101
dc.citation.other19(2): 96-101
dc.citation.rankM52
dc.identifier.rcubhttps://hdl.handle.net/21.15107/rcub_cer_1170
dc.identifier.fulltexthttps://cer.ihtm.bg.ac.rs/bitstream/id/14478/Jaksic2013-gradientmetamaterialwithsawtoothprofile-MicrowRev.pdf
dc.identifier.scopus2-s2.0-84893438145
dc.type.versionpublishedVersion


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Приказ основних података о документу