Abstract
Propagation of electromagnetic wave (EW) through multilayer structure consisting anisotropic layers with gradient refractive index material is studied theoretically. Analytical solution for linear dependence of refractive index profile is examined. The structure consist the forbidden gaps, which are sensitive to parameters of refractive index profile.
Highlights
Propagation of EM waves in gradient index medium has been extensively studied in the past century
New opportunities to create graded refractive index (GRIN) medium emerged with the discovery of a new class of artificially structured materials [2,3,4] called metamaterials which make it possible to achieve both negative effective dielectric permittivity ε and magnetic permeability μ parameters in a certain frequency bandwidth
In the present work we study theoretically propagation EM wave through anisotropic layers with linear gradient refractive index
Summary
Propagation of EM waves in gradient index medium has been extensively studied in the past century. New opportunities to create graded refractive index (GRIN) medium emerged with the discovery of a new class of artificially structured materials [2,3,4] called metamaterials which make it possible to achieve both negative effective dielectric permittivity ε and magnetic permeability μ parameters in a certain frequency bandwidth. Resonant enhancement of EW propagating at oblique incidence in metamaterials, with dielectric permittivity and magnetic permeability linearly changing from positive to negative values, has been predicted and theoretically studied in [6].
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