Research Papers

Crucial influence of evanescent waves on the electromagnetic properties of metamaterials

[+] Author Affiliations
Didier Felbacq, Brahim Guizal, Alexandru I. Cabuz

University of Montpellier II, Groupe d'Etude des Semiconducteurs Unite Mixte de Recherche du Centre National de la Recherche Scientifique 5650, Bat. 21 CC074 Place E. Bataillon, Montpellier Cedex 05, 34095 France

J. Nanophoton. 4(1), 043520 (November 5, 2010). doi:10.1117/1.3520508
History: Received August 24, 2010; Revised November 3, 2010; Accepted November 4, 2010; November 5, 2010; Online November 05, 2010
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Abstract

The recent interest in the imaging possibilities of photonic crystals (superlensing, superprism, optical mirages, etc.) call for a detailed analysis of beam propagation inside a finite periodic structure. An answer to the following question was sought: "Where does the beam emerge?" We found that, contrary to common knowledge, it is not always true that the shift of a beam is given by the normal to the dispersion curve. This phenomenon can be explained in terms of evanescent waves and a renormalized diagram yields the correct direction.

© 2010 Society of Photo-Optical Instrumentation Engineers

Topics

Metamaterials

Citation

Didier Felbacq ; Brahim Guizal and Alexandru I. Cabuz
"Crucial influence of evanescent waves on the electromagnetic properties of metamaterials", J. Nanophoton. 4(1), 043520 (November 5, 2010). ; http://dx.doi.org/10.1117/1.3520508


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