Resonances determination in microstructured films embedded in multilayered stacks

Benjamin Vial; Mireille Commandré; Frédéric Zolla; André Nicolet; Stephane Tisserand

doi:10.1117/12.897347

4 October 2011 Resonances determination in microstructured films embedded in multilayered stacks

Benjamin Vial, Mireille Commandré, Frédéric Zolla, André Nicolet, Stephane Tisserand

Proceedings Volume 8168, Advances in Optical Thin Films IV; 816822 (2011) https://doi.org/10.1117/12.897347
Event: SPIE Optical Systems Design, 2011, Marseille, France

Abstract

Our approach consists in finding the eigenmodes and the complex eigenfrequencies of structures using a finite element method (FEM), that allows us to study mono- or bi-periodic gratings with a maximum versatility : complex shaped patterns, with anisotropic and graded index material, under oblique incidence and arbitrary polarization. In order to validate our method, we illustrate an example of a four layer dielectric slab, and compare the results with a specific method that we have called tetrachotomy, which gives us numerically the poles of the reflection coefficient (which corresponds to the eigenfrequencies of the structure). To illustrate our method, we show the eigenvalues of one- and two-dimensional gratings.

Citation Download Citation

Benjamin Vial, Mireille Commandré, Frédéric Zolla, André Nicolet, and Stephane Tisserand "Resonances determination in microstructured films embedded in multilayered stacks", Proc. SPIE 8168, Advances in Optical Thin Films IV, 816822 (4 October 2011); https://doi.org/10.1117/12.897347

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