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Fourier modal method for relief gratings with oblique boundary conditions
Ivan Gushchin1, Alexandre V Tishchenko
1Hubert Curien Laboratory, University Jean Monnet, 18 rue B. Lauras, 42000 Saint-Etienne, France.
Abstract:
Oblique boundary conditions are introduced in the Fourier modal method at each slice of the staircase decomposition of an arbitrary profile of a dielectric corrugation grating. The precision and convergence improvement are demonstrated by comparison with reference methods.
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