Refractometric optical sensing by using a multilayer reflection and transmission narrowband filter

C. C. Liu, Y. H. Chang, C. J. Wu

    Research output: Contribution to journalArticlepeer-review

    5 Citations (Scopus)

    Abstract

    A refractometric optical sensing device based on a multilayer narrowband reflection and transmission filter with an ultrathin metallic film is proposed. By changing the refractive index of the defect layer in this narrowband filter, we find that the shift in the resonance peak wavelength is a sensitive function of the small variation in the refractive index. This sensing method is more compact and easier to make than the usual one based on the photonic crystal sensor.

    Original languageEnglish
    Pages (from-to)293-305
    Number of pages13
    JournalJournal of Electromagnetic Waves and Applications
    Volume24
    Issue number2-3
    DOIs
    Publication statusPublished - 2010 Jan 1

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Physics and Astronomy(all)
    • Electrical and Electronic Engineering

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