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Surface-enhanced Raman scattering in periodic and quasi-periodic metal-dielectric films

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Abstract

Since the discovery of surface-enhanced Raman spectroscopy (SERS) nearly thirty years ago [1], a number of theoretical and experimental studies for a variety of metal-dielectric composites, roughened surfaces, semi-continuous and fractal films have been performed (see for example, [2,3] and references therein). Recent experimental data suggest that strong Raman signals can be obtained in periodic and quasi-periodic arrays of metal particles [4]. In this paper we study SERS effect in periodic structures, such as cubic and hexagonal lattices. Based on our numerical simulations we derive specific conditions for optimization of SERS in such structures.

© 2003 Optical Society of America

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