Multicore fiber sensor for high-temperature applications up to 1000 degrees C

    Authors

    J. E. Antonio-Lopez; Z. S. Eznaveh; P. LiKamWa; A. Schulzgen;R. Amezcua-Correa

    Comments

    Authors: contact us about adding a copy of your work at [email protected]

    Abbreviated Journal Title

    Opt. Lett.

    Keywords

    INTERFEROMETER; STRAIN; Optics

    Abstract

    A novel high temperature sensor based on customized multicore fiber (MCF) is proposed and experimentally demonstrated. The sensor consists of a short, few-centimeter-long segment of MCF spliced between two standard single-mode fibers. Due to interference effects, the transmission spectrum through this fiber chain features sharp and deep notches. Exposing the MCF segment to increasing temperatures of up to 1000 degrees C results in a shift of the transmission notches toward longer wavelengths with a slope of approximately 29 pm/degrees C at lower temperatures and 52 pm/degrees C at higher temperatures, enabling temperature measurements with high sensitivity and accuracy. Due to its compact size and mechanical rigidity, the MCF sensor can be subjected to harsh environments. The fabrication of the MCF sensor is straightforward and reproducible, making it an inexpensive fiber device. (C) 2014 Optical Society of America

    Journal Title

    Optics Letters

    Volume

    39

    Issue/Number

    15

    Publication Date

    1-1-2014

    Document Type

    Article

    Language

    English

    First Page

    4309

    Last Page

    4312

    WOS Identifier

    WOS:000339878900007

    ISSN

    0146-9592

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