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 journalArticle

    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 languageEnglish
    Article number122002
    JournalJapanese Journal of Applied Physics
    Volume57
    Issue number12
    DOIs
    Publication statusPublished - 2018 Dec 1

    Fingerprint

    Surface plasmon resonance
    surface plasmon resonance
    proposals
    near fields
    Waveguides
    Fluorescence
    chips
    waveguides
    fluorescence
    sensors
    Sensors
    excitation
    Planar waveguides
    silica glass
    Fused silica
    Electrophoresis
    beads
    Substrates

    ASJC Scopus subject areas

    • Engineering(all)
    • Physics and Astronomy(all)

    Cite this

    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 journalArticle

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    AU - Fujimaki, Makoto

    AU - Ohki, Yoshimichi

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