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Scattering by deep inhomogeneous gratings

Abstract : We introduce a volume integral formulation that describes the scattering of both TE and TM electromagnetic waves by deep inhomogeneous gratings. The method is compared with an analytical solution that permits a quantitative study of the influence of the grid cell size on the computed results. This integral approach converges for gratings of any thickness.
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Anne Sentenac, Jean-Jacques Greffet. Scattering by deep inhomogeneous gratings. Journal of the Optical Society of America. A Optics, Image Science, and Vision, Optical Society of America, 1992, 9 (6), pp.996 - 996. ⟨10.1364/JOSAA.9.000996⟩. ⟨hal-01617411⟩



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