• DocumentCode
    1003847
  • Title

    In-Line Abrupt Taper Optical Fiber Mach–Zehnder Interferometric Strain Sensor

  • Author

    Tian, Zhaobing ; Yam, Scott S H

  • Author_Institution
    Dept. of Phys., Queen´´s Univ., Kingston, ON
  • Volume
    21
  • Issue
    3
  • fYear
    2009
  • Firstpage
    161
  • Lastpage
    163
  • Abstract
    A Mach-Zehnder interferometer with two abrupt single-mode fiber tapers is simulated, constructed, and demonstrated. The interferometer has an insertion loss of 5 dB and an extinction ratio over 15 dB. The interferometer is tested as a strain sensor based on the maximum attenuation wavelength shift with a comparable sensitivity (slope: 2000 nm/ epsiv, R 2 = 0.996) with long-period-grating-type sensor and promises low fabrication cost.
  • Keywords
    Mach-Zehnder interferometers; fibre optic sensors; strain sensors; Mach-Zehnder interferometric strain sensor; beam propagation method; in-line abrupt taper optical fiber sensor; long-period-grating-type sensor; loss 5 dB; single-mode fiber; Abrupt taper; Mach–Zehnder interferometer; beam propagation method (BPM); strain sensor;
  • fLanguage
    English
  • Journal_Title
    Photonics Technology Letters, IEEE
  • Publisher
    ieee
  • ISSN
    1041-1135
  • Type

    jour

  • DOI
    10.1109/LPT.2008.2009360
  • Filename
    4685856