Proposal of a chip capable of simultaneous excitation of waveguide-mode resonance and surface plasmon resonance for an electro-assisted near-field fluorescence sensor

Chiaki Kuroda; Ryota Iizuka; Midori Nakai; Hiroki Ashiba; Makoto Fujimaki; Yoshimichi Ohki

doi:10.7567/JJAP.57.122002

Proposal of a chip capable of simultaneous excitation of waveguide-mode resonance and surface plasmon resonance for an electro-assisted near-field fluorescence sensor

Chiaki Kuroda, Ryota Iizuka, Midori Nakai, Hiroki Ashiba, Makoto Fujimaki, Yoshimichi Ohki

Research output: Contribution to journal › Article

Abstract

Aiming at realizing an electro-assisted near-field fluorescence sensor that can collect fluorescently-labeled substances selectively and effectively on a near-field region due to dielectrophoresis, a chip that can induce fluorescence by both waveguide-mode resonance (WMR) and surface plasmon resonance (SPR) simultaneously has been developed. The chip has an Al SPR layer on a part of a planar WMR structure composed of TiO₂ and SiO₂ layers on a silica glass substrate. It has been confirmed that the fluorescence from fluorescence beads induced by the two resonances can be detected simultaneously.

Original language	English
Article number	122002
Journal	Japanese Journal of Applied Physics
Volume	57
Issue number	12
DOIs	https://doi.org/10.7567/JJAP.57.122002
Publication status	Published - 2018 Dec 1

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ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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Kuroda, C., Iizuka, R., Nakai, M., Ashiba, H., Fujimaki, M., & Ohki, Y. (2018). Proposal of a chip capable of simultaneous excitation of waveguide-mode resonance and surface plasmon resonance for an electro-assisted near-field fluorescence sensor. Japanese Journal of Applied Physics, 57(12), [122002]. https://doi.org/10.7567/JJAP.57.122002

Proposal of a chip capable of simultaneous excitation of waveguide-mode resonance and surface plasmon resonance for an electro-assisted near-field fluorescence sensor. / Kuroda, Chiaki; Iizuka, Ryota; Nakai, Midori; Ashiba, Hiroki; Fujimaki, Makoto; Ohki, Yoshimichi.

In: Japanese Journal of Applied Physics, Vol. 57, No. 12, 122002, 01.12.2018.

Research output: Contribution to journal › Article

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10.7567/JJAP.57.122002