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Surface Plasmon Excitations and Emission Light due to Molecular Luminescence on Metal Thin Film

Published online by Cambridge University Press:  01 February 2011

Futao Kaneko ,
Susumu Toyoshima ,
Yasuo Ohdaira ,
Kazunari Shinbo  and
Keizo Kato
Futao Kaneko
Affiliation:
Electrical and Electronic Engineering, Niigata University, Niigata, 950–2181, Japan Center for Transdisciplinary Research, Niigata University, Niigata, 950–2181, Japan
Susumu Toyoshima
Affiliation:
Graduate School of Science and Technology, Niigata University, Niigata, 950–2181, Japan
Yasuo Ohdaira
Affiliation:
Electrical and Electronic Engineering, Niigata University, Niigata, 950–2181, Japan Center for Transdisciplinary Research, Niigata University, Niigata, 950–2181, Japan
Kazunari Shinbo
Affiliation:
Electrical and Electronic Engineering, Niigata University, Niigata, 950–2181, Japan Center for Transdisciplinary Research, Niigata University, Niigata, 950–2181, Japan
Keizo Kato
Affiliation:
Center for Transdisciplinary Research, Niigata University, Niigata, 950–2181, Japan Graduate School of Science and Technology, Niigata University, Niigata, 950–2181, Japan
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Abstract

Emission light due to surface plasmon (SP) excitations has been investigated in Kretschmann configuration of prism/metal thin film/organic dye thin films by means of direct irradiation of a laser beam from air to the films. Emission light through the prism coincided with the resonant conditions of SP excitations in the configuration. It was thought that SPs on the metal surface were excited by luminescence of dye molecules close to the metal surface, and the SPs propagating along the metal surface were converted to the emission light according to the resonant conditions of SPs in the configuration. Intensities and spectra of the SP emission light through the prism strongly depended upon emission angles, nanostructures of dye films, the film thickness and mixture of two kinds of dyes.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 846: Symposium DD – Organic and Nanocomposite Optical Materials , 2004 , DD5.10
Copyright
Copyright © Materials Research Society 2005

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References

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