Parallel-incidence-type waveguide-mode sensor with spectral-readout setup

Makoto Fujimaki, Xiaomin Wang, Takafumi Kato, Koichi Awazu, Yoshimichi Ohki

    Research output: Contribution to journalArticle

    9 Citations (Scopus)

    Abstract

    A waveguide-mode sensor of the spectral-readout type can be used to detect changes in the complex refractive index in the vicinity of the surface of a sensing plate by observing the change in the spectrum of light reflected on the surface. The sensor's configuration can be simplified by adopting a parallel-incidence-type optical setup. To obtain a high sensitivity, the optimization of the sensing-plate structure, incidence angle, and detection wavelength band is essential for the sensor. In the present report, the results predicted by simulations are compared with experimental results in order to evaluate their validity. A discussion of the optimal design for the parallel-incidence-type sensor is also presented, according to the results obtained.

    Original languageEnglish
    Pages (from-to)10925-10937
    Number of pages13
    JournalOptics Express
    Volume23
    Issue number9
    DOIs
    Publication statusPublished - 2015 May 4

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    readout
    incidence
    waveguides
    sensors
    refractivity
    optimization
    sensitivity
    configurations
    wavelengths
    simulation

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

    Cite this

    Parallel-incidence-type waveguide-mode sensor with spectral-readout setup. / Fujimaki, Makoto; Wang, Xiaomin; Kato, Takafumi; Awazu, Koichi; Ohki, Yoshimichi.

    In: Optics Express, Vol. 23, No. 9, 04.05.2015, p. 10925-10937.

    Research output: Contribution to journalArticle

    Fujimaki, Makoto ; Wang, Xiaomin ; Kato, Takafumi ; Awazu, Koichi ; Ohki, Yoshimichi. / Parallel-incidence-type waveguide-mode sensor with spectral-readout setup. In: Optics Express. 2015 ; Vol. 23, No. 9. pp. 10925-10937.
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