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Opt Lett. 1981 Aug 1;6(8):392-4.

Double-tuned light-absorption characteristics in the attenuated-total-reflection structure containing a metal-clad dielectric-film waveguide with a low-refractive-index buffer layer.

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  • 1Kyushu Institute of Technology, Tobataku Kitakyushu 804, Japan.

Abstract

We have demonstrated that double-tuned absorptions have the characteristics of forming a flat peak in an attenuated-total-reflection structure containing a metal-clad dielectric-film waveguide with a low-refractive-index buffer layer. The double-tuned characteristics occur because the guided mode in the film waveguide couples to the surface plasma mode at the metal-buffer layer interface.

PMID:
19701443
[PubMed]
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