Crucial influence of evanescent waves on the electromagnetic properties of metamaterials

Didier Felbacq; Brahim Guizal; Alexandru I. Cabuz

doi:10.1117/1.3520508

1 November 2010 Crucial influence of evanescent waves on the electromagnetic properties of metamaterials

Didier Felbacq, Brahim Guizal, Alexandru I. Cabuz

Author Affiliations +

Journal of Nanophotonics, Vol. 4, Issue 1, 043520 (November 2010). https://doi.org/10.1117/1.3520508

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.

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Didier Felbacq, Brahim Guizal, and Alexandru I. Cabuz "Crucial influence of evanescent waves on the electromagnetic properties of metamaterials," Journal of Nanophotonics 4(1), 043520 (1 November 2010). https://doi.org/10.1117/1.3520508

Published: 1 November 2010

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