opalic

An opalic plasmonic sample, constituted by a hexagonal arrangement of metallized silica spheres, presents remarkable optical properties due to the mixing of periodic arrangement and singularities at the sphere touching points.

2016, Clotilde Lethiec, Guillaume Binard, Trajan Popescu, Hugo Frederich, Phan Ngoc, Eduardo Yraola, Catherine Schwob, Fabrice Charra, Laurent Coolen, Ludovic Douillard, Agnès Maître, “Plasmonics of opalic surface: a combined near-and far-field approach”, in arXiv