Resonant cavity based fibre Bragg grating sensor interrogation using ratiornetric detection

Glynn Lloyd, L Everall, K Sugden, I Bennion

    Research output: Contribution to journalArticle

    3 Citations (Scopus)

    Abstract

    Time-division-multiplexing of fibre Bragg gratings using a novel resonant cavity architecture is described. Independent extraction of amplified optical signals from individual sensors is demonstrated, making it possible to use a low-cost, passive wavelength measurement technique for sensor readout. Using a commercial ratiometric filter component, the complete interrogation system remains simple and solid-state. Results show that the configuration has the capability to deliver static measurements with picometre resolution, or to perform vibration analysis at up to 4.4 kHz. (C) 2004 Elsevier B.V. All rights reserved.
    Original languageEnglish
    Pages (from-to)193-197
    Number of pages5
    JournalOptics Communications
    Volume244
    Issue number1-6
    DOIs
    Publication statusPublished - 1 Jan 2005

    Keywords

    • optical fibre sensing
    • ratiometric detection
    • time-division-multiplexing
    • resonant cavity

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