An efficient method for diffraction gratings is developed based on Dirichlet-to-Neumann (DtN) maps. A Chebyshev collocation method is used with a compact fourth order finite difference scheme to calculate DtN map efficiently.
© 2009 OSA
D. Song and Y. Y. Lu, "Chebyshev Collocation Dirichlet-to-Neumann Map Method for Diffraction Gratings," in Advances in Optical Sciences Congress, OSA Technical Digest (CD) (Optical Society of America, 2009), paper IWC7.
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