Polymer optical fibre sensor to monitor skin moisture

John Vaughan, Christopher Woodyatt, Patricia J. Scully

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We present a polymer optical fibre sensor to sense skin moisture and droplet formation when sweating occurs. The sensor used evanescent field attenuation, by exploiting a moisture sensitive cladding with moisture indicator (fluorescein) contained within a porous cladding (HEMA). The sensor was designed to be comfortable to wear and unobtrusive, hygienic, with sterilised interchangeable sensing elements. It had maximum sensitivity between 98% and 100% humidity, and response time of 24 seconds.
    Original languageEnglish
    Article number66191T
    JournalProceedings of SPIE - The International Society for Optical Engineering
    Volume6619
    DOIs
    Publication statusPublished - 2007

    Keywords

    • Fluorescein
    • HEMA
    • Optical fibre
    • PMMA
    • POF
    • Polyhydroxyethylmethacrylate
    • Polymer optical fibre
    • Polymethylmethacrylate
    • Sweat

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