1 November 2010 Crucial influence of evanescent waves on the electromagnetic properties of metamaterials
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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.
Didier Felbacq, Brahim Guizal, 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 . Submission:
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