Surface Plasmon Excitation and Emission Light Properties Using Hybrid Setup of Prism and Grating Coupling

Kazunari SHINBO; Yuta HIRANO; Masayuki SAKAI; Masahiro MINAGAWA; Yasuo OHDAIRA; Akira BABA; Keizo KATO; Futao KANEKO

doi:10.1587/transele.E94.C.196

Special Section on Recent Progress in Molecular and Organic Devices

Surface Plasmon Excitation and Emission Light Properties Using Hybrid Setup of Prism and Grating Coupling

Kazunari SHINBO, Yuta HIRANO, Masayuki SAKAI, Masahiro MINAGAWA, Yasuo OHDAIRA, Akira BABA, Keizo KATO, Futao KANEKO

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Keywords: surface plasmon (SP), prism coupling, grating coupling, SP emission light, SP-enhanced photoluminescence

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2011 Volume E94.C Issue 2 Pages 196-197

DOI https://doi.org/10.1587/transele.E94.C.196

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Abstract

A half-cylindrical BK-7 prism/dielectric film with a grating/Ag film/fluorescent polymer film structure was prepared, and its surface plasmon (SP) excitation property was investigated. It was confirmed experimentally that SP excitations are possible in this structure by using prism and grating couplings. The SP excitation property depended on the direction of the grating vector. Furthermore, intense photoluminescence was observed when the SPs were simultaneously excited at the Ag/polymer interface by prism coupling and at the Cytop/Ag interface by grating coupling.

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