Parametric formulation of the Fourier modal method for crossed surface-relief gratings
- 14 August 2002
- journal article
- Published by IOP Publishing in Journal of Optics A: Pure and Applied Optics
- Vol. 4 (5) , S145-S149
- https://doi.org/10.1088/1464-4258/4/5/362
Abstract
We extend our original parametric formulation of the Fourier modal method to the case of lamellar gratings that are periodic in two directions. We provide numerical evidence that improved convergence rates can be obtained for dielectric and metallic gratings.Keywords
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