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In this paper, reflection characteristics of a high- impedance surface composed of 2D balanced CRLH metamaterials without a forbidden frequency band are studied experimentally. Even without a bandgap, in-phase reflection phenomena are observed near the balanced Gamma-point frequency as opposed to a conventional high-impedance surface with a bandgap. In addition, multiple in-phase reflections are also...
The reflection properties of thin slabs based on artificial materials is studied. The slabs are assumed to have different values of permeability (mu) and permittivity (epsiv) in the x and y directions, and arbitrary variation in the z direction. Analytical formulas are developed for the design of anisotropic thin slabs including appropriate values for the spacer materials in between. It will be demonstrated...
The wave impedance of artificial dielectrics can simply be controlled selectively by changing its permittivity. The artificial dielectrics that be composed from thin rectangular metal strips on a dielectric sheet are designed to exhibit the anisotropic effect that usable to control the permittivity in any direction. As a consequence, the wave impedance in that direction will change accordingly to...
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