Direct opal fabrication from silver-coated silica microspheres

Abstract

Metallised photonic crystals offer possibilities to increase the effective refractive index of the opal and thus enhance the bandgap, to control the light propagation within the crystal. Such structures have a number of potential applications, for example substrates for surface enhanced Raman scattering, SERS. Since opal structures are easily disrupted and… (More)

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