Abstract
This paper explores the effective temporal surface-illuminated properties of two-component composites consisting of inclusions of regularly-and irregularly-shaped crystals in a matrix. Time-domain electromagnetic modeling using the finite integration technique is used to calculate scattering (S-) parameters, and from these, the effective relative permittivities are calculated. It is shown that the orientation of inclusions with high permittivity contrast affects the effective electrical permittivity of a composite mixture. For both low and high contrast inclusions, fields localize at edges and corners of the irregular inclusion in a manner not dependent on boundary conditions used in simulation.
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