Dual-wavelength FBG inscribed by femtosecond laser for simultaneous measurement of high temperature and strain

Yong Zhu, Hao Mei, Tao Zhu, Jie Zhang, Shizhuo Yin

    Research output: Contribution to journalArticle

    11 Citations (Scopus)

    Abstract

    A novel fiber Bragg grating (FBG) with two transmission dips in 1310- and 1550-nm regions is proposed and inscribed by an infrared femtosecond laser. Formed by multi-photon ionization, this type of grating can withstand temperature as high as 800°C which makes it suitable for harsh environment sensing. In addition, the temperature and strain affect these two dips in different ways, which enables simultaneous strain and temperature sensing. The fabrication, spectrum characterization, and temperature performance of this grating are introduced.

    Original languageEnglish (US)
    Pages (from-to)675-678
    Number of pages4
    JournalChinese Optics Letters
    Volume7
    Issue number8
    DOIs
    StatePublished - Aug 1 2009

    Fingerprint

    Fiber Bragg gratings
    Ultrashort pulses
    Bragg gratings
    Wavelength
    fibers
    wavelengths
    lasers
    gratings
    Temperature
    temperature
    infrared lasers
    Ionization
    Photons
    Infrared radiation
    Fabrication
    ionization
    fabrication
    photons

    All Science Journal Classification (ASJC) codes

    • Electronic, Optical and Magnetic Materials
    • Atomic and Molecular Physics, and Optics
    • Electrical and Electronic Engineering

    Cite this

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    abstract = "A novel fiber Bragg grating (FBG) with two transmission dips in 1310- and 1550-nm regions is proposed and inscribed by an infrared femtosecond laser. Formed by multi-photon ionization, this type of grating can withstand temperature as high as 800°C which makes it suitable for harsh environment sensing. In addition, the temperature and strain affect these two dips in different ways, which enables simultaneous strain and temperature sensing. The fabrication, spectrum characterization, and temperature performance of this grating are introduced.",
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    Dual-wavelength FBG inscribed by femtosecond laser for simultaneous measurement of high temperature and strain. / Zhu, Yong; Mei, Hao; Zhu, Tao; Zhang, Jie; Yin, Shizhuo.

    In: Chinese Optics Letters, Vol. 7, No. 8, 01.08.2009, p. 675-678.

    Research output: Contribution to journalArticle

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    AU - Zhu, Yong

    AU - Mei, Hao

    AU - Zhu, Tao

    AU - Zhang, Jie

    AU - Yin, Shizhuo

    PY - 2009/8/1

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