Enhanced Raman Scattering by Two-Dimensional Array of Polarizable Spheres
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概要
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Two-dimensional array of dielectric spheres gives rise to prominent peaks inthe reflectivity spectrum of light, corresponding to the excitation of the localizedmodes. We demonstrate that these localized modes provide a new possibility ofenhanced Raman scattering from a molecule adsorbed on arrayed dielectricspheres. It is found that the enhancement factor of order 10' is easily achieved,when the incidence and scatteriu?g angles of light are appropriate. By calculatingthe dispersion relation of the localized modes, we show that the excitation of themis clearly the origin of such a large enhancement. We also exarnine the enhancedRaman scattering for arrayed metallic spheres.
- 社団法人日本物理学会の論文
- 1983-04-15
著者
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Ohtaka Kazuo
Department Of Applied Physics Faculty Of Engineering Chiba University
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Inoue Masahiro
Institute for Materials Research, Tohoku University
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