Abstract:Periodic subwavelength structures on a boundary can enhance the transmission through the boundary. While rigorous methods are accurate for designing these structures, recent methods could benefit from an improved effective medium approximation. In this work, a modified Rayleigh mixture formula is used to approximate the effective properties of periodic cylinders in a square lattice for transverse electromagnetic plane waves. The modified Rayleigh mixture formula outperforms the Maxwell Garnett formula where th… Show more
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