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Adsorption and Surface Plasmon Emission Light of Polystyrene Spheres with Fluorescent Dye on Ag Thin Film

Kazunari SHINBO, Hiroshi MIURA, Yasuo OHDAIRA, Akira BABA, Keizo KATO, Futao KANEKO

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Summary :

In this study, attenuated total reflection (ATR) utilizing surface plasmon (SP) excitation and SP emission lights were observed for the adsorption of polystyrene (PS) spheres and a water-soluble polymer. The PS spheres contained fluorescent dyes and exhibited red fluorescence. The ATR properties indicated film deposition with increasing number of adsorption cycles. The SP emission light induced by the fluorescent dye in the spheres was also measured, and an increase in the peak intensity, as well as an angle shift, was observed. Furthermore, the SP emission light spectra were investigated at various emission angles. The dispersion relation obtained from the SP emission light almost corresponded to that obtained from the ATR curves.

Publication
IEICE TRANSACTIONS on Electronics Vol.E91-C No.10 pp.1663-1668
Publication Date
2008/10/01
Publicized
Online ISSN
1745-1353
DOI
10.1093/ietele/e91-c.10.1663
Type of Manuscript
Special Section PAPER (Special Section on Functional Thin Films for Optical Applications)
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