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dc.creatorDalarsson, Mariana
dc.creatorJakšić, Zoran
dc.date.accessioned2020-03-23T12:52:53Z
dc.date.available2020-03-23T12:52:53Z
dc.date.issued2017
dc.identifier.isbn978-1-5386-1799-1
dc.identifier.isbn978-1-5386-1800-4
dc.identifier.urihttp://cer.ihtm.bg.ac.rs/handle/123456789/3444
dc.description.abstractWe propose a method to determine approximate phase-integral analytical solutions for electric and magnetic fields in flat lenses with the refractive index varying in the radial direction. In our model the gradient of refractive index is approximated by a large number of concentric annuli with step-increasing index. Here the central part contributes to a bulk of the phase transformation, while the external layers act as a graded antireflective structure, matching the impedance of the lens to that of the free space. Such lenses can be modeled as compact composites with continuous permittivity and (if needed) permeability functions which asymptotically approach unity at the boundaries of the composite cylinder. We illustrate the phase-integral approach by obtaining the approximate analytic solutions for the electric and magnetic fields for a special class of composite designs with radially graded parameters.en
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)
dc.rightsrestrictedAccess
dc.source13th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS) - Proceedings of Papers
dc.subjectFlat lenses
dc.subjectGraded permittivity and permeability models
dc.subjectTransformation Optics
dc.subjectPhase-integral analytical solutions
dc.titlePhase integral approach to wave propagation in continuously graded models of flat lensesen
dc.typeconferenceObject
dc.rights.licenseARR
dcterms.abstractДаларссон, Мариана; Јакшић, Зоран;
dc.citation.spage38
dc.citation.epage41
dc.description.otherConference Location: Niš, Serbia
dc.description.otherDate of Conference: 18-20 Oct. 2017
dc.identifier.doi10.1109/TELSKS.2017.8246222
dc.identifier.scopus2-s2.0-85045988217
dc.type.versionpublishedVersion


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