• DocumentCode
    841812
  • Title

    Differential measurement technique for optical fibre sensors

  • Author

    MacDonald, R.I.

  • Author_Institution
    Telecommun. Res. Labs., Edmonton, Alta., Canada
  • Volume
    27
  • Issue
    23
  • fYear
    1991
  • Firstpage
    2194
  • Lastpage
    2196
  • Abstract
    A differential measurement is demonstrated for intensity-modulation fibre sensors that achieves high rejection of interference from loss in the fibre downlead. The sensor is placed in a fibre resonator and interrogated at two subcarrier frequencies.
  • Keywords
    fibre optic sensors; Q-modulation; differential measurement; high rejection of interference; intensity-modulation fibre sensors; intrinsically safe sensors; optical fibre sensors; subcarrier frequencies;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:19911357
  • Filename
    104119