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Autori: D. Felbacq, A.I. Cãbuz and B. Guizal
Editorial: Journal of Nanophotonics, 5, p.051512-1, 2011.
The homogeneous and transport properties of a set of metallic fibers were studied.The existence of a plasma frequency was deduced and a precise formula for it was derived. A homogenized system for finite length ohmic wires was derived. Some numerical simulations were made to study the influence of disorder. The persistence of a low-frequency band gap was demonstrated numerically even in the case of a strong disorder. The existence of localized modes was explained in terms of the statistical properties of the medium.
Cuvinte cheie: metamaterials; homogenization; spatial dispersion.