Wide angle boundary models for periodic structures with subwavelength periods


For peridic structures with subwavelength periods, wide-angle boundary models are developed by matching the reflection and transmission coefficients for incident waves with different incident angles. For non-periodic structures with slowly varying subwavelength elements, such as some metasurfaces,  rigorous numerical simulations are expensive, if the size of the structure is much larger than the wavelength. The wide-angle boundary models with spatially-varying coefficents may be used to speed up the numerical simulations

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This paper was published in Open Conference Systems.

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