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Lenses on curved surfaces
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0002-4900-4788
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2014 (English)In: Optics Letters, ISSN 0146-9592, E-ISSN 1539-4794, Vol. 39, no 12, 3551-3554 p.Article in journal (Refereed) Published
Abstract [en]

This Letter presents a theory that allows graded index lenses to be mapped onto arbitrary rotationally symmetric curved surfaces. Examples of the Luneburg and Maxwell fish-eye lens are given, for numerous surfaces, always resulting in isotropic permittivity requirements. The performance of these lenses is initially illustrated with full-wave simulations utilizing a waveguide structure. A transformation of the refractive index profiles is then performed to design surface-wave lenses, where the dielectric layer is not only isotropic but also homogenous, demonstrating the applicability and ease of fabrication.

Place, publisher, year, edition, pages
2014. Vol. 39, no 12, 3551-3554 p.
Keyword [en]
Curved surfaces, Dielectric layer, Fish-eye lens, Full-wave simulations, Graded index lens, Refractive index profiles, Waveguide structure, Optics
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URN: urn:nbn:se:kth:diva-149221DOI: 10.1364/OL.39.003551ISI: 000338870500049Scopus ID: 2-s2.0-84902669897OAI: oai:DiVA.org:kth-149221DiVA: diva2:738511
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QC 20140818

Available from: 2014-08-18 Created: 2014-08-18 Last updated: 2017-12-05Bibliographically approved

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Quevedo-Teruel, Oscar

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