Fiber-optic simultaneous distributed monitoring of strain and temperature for an aircraft wing during flight

Daichi Wada, Hirotaka Igawa, Masato Tamayama, Tokio Kasai, Hitoshi Arizono, Hideaki Murayama, Natsumi Isoda, Masafumi Katsuta

    Research output: Contribution to journalArticle

    1 Citation (Scopus)

    Abstract

    We applied a fiber optic distributed simultaneous strain and temperature measurement technique to the structural monitoring of the main wing of a middle-sized passenger jet aircraft during flight. We used 40 10 cm long fiber Bragg gratings (FBGs), inscribed in a highly birefringent polarization-maintaining fiber. The FBGs were interrogated by optical frequency domain reflectometry, which could measure Bragg wavelength distributions at a sampling rate of 151 Hz. The simultaneous measurement technique could detect structural behaviors of the wing during flight under temperature-changing conditions. In addition, we discuss the effect of the polarization mode-coupling and the apparent position shift of the FBGs over time, which occurred during flight.

    Original languageEnglish
    Pages (from-to)10458-10465
    Number of pages8
    JournalApplied Optics
    Volume57
    Issue number36
    DOIs
    Publication statusPublished - 2018 Dec 20

    Fingerprint

    Fiber Bragg gratings
    wings
    Fiber optics
    aircraft
    fiber optics
    flight
    Bragg gratings
    fibers
    Monitoring
    Jet aircraft
    Polarization-maintaining fiber
    passenger aircraft
    Strain measurement
    jet aircraft
    Temperature measurement
    Temperature
    temperature
    strain measurement
    polarization
    Polarization

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics
    • Electrical and Electronic Engineering

    Cite this

    Fiber-optic simultaneous distributed monitoring of strain and temperature for an aircraft wing during flight. / Wada, Daichi; Igawa, Hirotaka; Tamayama, Masato; Kasai, Tokio; Arizono, Hitoshi; Murayama, Hideaki; Isoda, Natsumi; Katsuta, Masafumi.

    In: Applied Optics, Vol. 57, No. 36, 20.12.2018, p. 10458-10465.

    Research output: Contribution to journalArticle

    Wada, D, Igawa, H, Tamayama, M, Kasai, T, Arizono, H, Murayama, H, Isoda, N & Katsuta, M 2018, 'Fiber-optic simultaneous distributed monitoring of strain and temperature for an aircraft wing during flight', Applied Optics, vol. 57, no. 36, pp. 10458-10465. https://doi.org/10.1364/AO.57.010458
    Wada, Daichi ; Igawa, Hirotaka ; Tamayama, Masato ; Kasai, Tokio ; Arizono, Hitoshi ; Murayama, Hideaki ; Isoda, Natsumi ; Katsuta, Masafumi. / Fiber-optic simultaneous distributed monitoring of strain and temperature for an aircraft wing during flight. In: Applied Optics. 2018 ; Vol. 57, No. 36. pp. 10458-10465.
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    AU - Murayama, Hideaki

    AU - Isoda, Natsumi

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