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Excitation of confined modes on particle arrays
[article]
2012
arXiv
pre-print
We describe both theoretically and experimentally the existence and excitation of confined modes in planar arrays of gold nanodisks. Ordered 2D lattices of monodispersive nanoparticles are manufactured, embedded in a silica matrix, and exposed to evanescent prism-coupling illumination, leading to dark features in the reflectivity, which signal the presence of confined modes guided along the arrays. We find remarkable agreement between theory and experiment in the frequency-momentum dispersion
arXiv:1209.2626v1
fatcat:tucdothywnhzlbhhjb33cmd6ym