• DocumentCode
    1215015
  • Title

    Quasi-distributed strain sensor incorporating a chirped Moire/spl acute/ fiber Bragg grating

  • Author

    Gillooly, A.M. ; Zhang, L. ; Bennion, I.

  • Author_Institution
    Photonics Res. Group, Aston Univ., Birmingham, UK
  • Volume
    17
  • Issue
    2
  • fYear
    2005
  • Firstpage
    444
  • Lastpage
    446
  • Abstract
    A quasi-distributed strain sensor with an average spatial resolution of 164 μm over a length of 25 mm and a strain sensitivity of 0.8/spl plusmn/0.01 pm/μ/spl epsiv/ has been experimentally demonstrated. The sensor was formed by a chirped Moire/spl acute/ fiber Bragg grating written into the core of single-mode optical fiber with a 244-nm continuous-wave laser.
  • Keywords
    Bragg gratings; chirp modulation; distributed sensors; fibre optic sensors; optical fibre fabrication; strain sensors; 244 nm; 25 mm; chirped Moire fiber Bragg grating; quasidistributed strain sensor; single-mode optical fiber; Bragg gratings; Capacitive sensors; Chirp; Fiber gratings; Fiber lasers; Optical fiber sensors; Passband; Refractive index; Spatial resolution; Strain measurement; Bragg; MoirÉ; fiber; grating; sensor; strain;
  • fLanguage
    English
  • Journal_Title
    Photonics Technology Letters, IEEE
  • Publisher
    ieee
  • ISSN
    1041-1135
  • Type

    jour

  • DOI
    10.1109/LPT.2004.840812
  • Filename
    1386343