Special Section: Selected Papers from the 3rd Mediterranean Conference on Nanophotonics

Graded photonic crystals for implementation of gradient refractive index media

[+] Author Affiliations
Borislav Vasić, Radoš Gajić

University of Belgrade, Institute of Physics, Pregrevica 118, P. O. Box 68, 11080 Belgrade, Serbia

Kurt Hingerl

Universität Linz, Zentrum für Oberflächen- und Nanoanalytik, Altenbergerstr. 69, A-4040 Linz, Austria

J. Nanophoton. 5(1), 051806 (May 17, 2011). doi:10.1117/1.3586783
History: Received February 01, 2011; Accepted April 11, 2011; Revised April 07, 2011; Published May 17, 2011; Online May 17, 2011
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Gradient refractive index lens-like media are implemented using two-dimensional graded photonic crystals. They were considered as effectively homogeneous media in the long-wavelength approximation. Specified distribution of the gradient refractive index was realized using rods with spatially varying radii and applied for a design of a focusing and imaging lens. The validity of the proposed method was confirmed using full-wave numerical simulations. Planar versions of the presented lenses can find applications in integrated nanophotonics.

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© 2011 Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation

Borislav Vasić ; Radoš Gajić and Kurt Hingerl
"Graded photonic crystals for implementation of gradient refractive index media", J. Nanophoton. 5(1), 051806 (May 17, 2011). ; http://dx.doi.org/10.1117/1.3586783


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