Abstract

We suggest two new, to the best of our knowledge, models of a flat-layered medium with variable electric permittivity and magnetic permeability. They represent a smooth transition from an ordinary medium with positive parameters to a medium with negative ones. An analytical solution to the problem of transition of a plane electromagnetic wave through such media, which describes the phenomenon of negative refraction is obtained. The resonant excitation effect is observed in the case of the medium with an active transition layer.

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