University of Cambridge > > Theory of Condensed Matter > Transformation optics, surface plasmons, and metasurfaces

Transformation optics, surface plasmons, and metasurfaces

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Metallic surfaces support surface plasmon excitations whose properties are intimately connected to the surface geometry. For example a flat silver surface is an excellent mirror, but the same material with a rough surface is black, reflecting hardly any light. Here we use transformation optics to relate many complex surface structures to a single mother structure. In this way we can classify the spectra of these complex surfaces. Examples will be given of singular structures that harvest light, electron energy loss, van der Waals forces and other properties that are related to the surface plasmon spectrum.

This talk is part of the Theory of Condensed Matter series.

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