Improved thermal and strain performance of annealed polymer optical fiber Bragg gratings

Scott Wu Yuan, Alessio Stefani, Morten Bache, Torben Jacobsen, Bjarke Rose, Nicolai Herholdt-Rasmussen, Finn Kryger Nielsen, Søren Andersen, Ole Brødsted Sørensen, Knud Styhr Hansen, Ole Bang

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    We report on a detailed study of the inscription and characterization of fiber Bragg gratings (FBGs) in commercial step index polymer optical fibers (POFs). Through the growth dynamics of the gratings, we identify the effect of UV-induced heating during the grating inscription. We found that FBGs in annealed commercial POFs can offer more stable short-term performance at both higher temperature and larger strain. Furthermore, the FBGs' operational temperature and strain range without hysteresis was extended by the annealing process. We identified long-term stability problem of even the annealed POF FBGs.
    Original languageEnglish
    JournalOptics Communications
    Issue number1
    Pages (from-to)176-182
    Publication statusPublished - 2011

    Bibliographical note

    NOTICE: this is the author’s version of a work that was accepted for publication in Optics Communications. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Optics Communications, [VOL 284, ISSUE 1, (2011)] DOI 10.1016/j.optcom.2010.08.069


    • Grating Polymer
    • Optical fiber
    • Bragg
    • Fiber


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