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The propagation of light through bianisotropic materials is studied in thegeometrical optics approximation. For that purpose, we use the quartic generaldispersion equation specified by the Tamm-Rubilar tensor, which is cubic in theelectromagnetic response tensor of the medium. A collection of different andremarkable Fresnel (wave) surfaces is gathered, and unified via the projectivegeometry of Kummer surfaces.

Electromagnetic wave propagation in metamaterials: a visual guide to Fresnel-Kummer surfaces and their singular points