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Journal of Nanophotonics

Crucial influence of evanescent waves on the electromagnetic properties of metamaterials
Author(s): Didier Felbacq; Brahim Guizal; Alexandru I. Cabuz
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Paper 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.

Paper Details

Date Published: 1 November 2010
PDF: 12 pages
J. Nanophoton. 4(1) 043520 doi: 10.1117/1.3520508
Published in: Journal of Nanophotonics Volume 4, Issue 1
Show Author Affiliations
Didier Felbacq, Univ. Montpellier 2 (France)
Brahim Guizal, Univ. Montpellier 2 (France)
Alexandru I. Cabuz, Univ. Montpellier 2 (France)


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