Abstract
The differential formalism of Chandezon was extended to nonhomogeneous media. In contrast to the case of homogeneous media, we were led to a different eigenvalue problem for each polarization. As an illustration, we analyzed diffraction by a sinusoidal piecewise-homogeneous modulated layer and by an inclined lamellar grating. Results were validated by comparison with the rigorous coupled-wave analysis.
© 1997 Optical Society of America
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