Error reduction of referenced intensity-based optical fibre sensor by adaptive noise canceller

  • Chang Da Tsai*
  • , Hui Hsun Huang
  • , Shyh Lin Tsao
  • , Hsiao Lung Chan
  • , Chien Ping Wu
  • *Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

12 Scopus citations

Abstract

A strategy for suppressing the perturbations of an intensity-based optical fibre sensor is presented by introducing an adaptive noise cancelling method. The time-varying offset between the sensing fibre arm and the reference fibre arm can be significantly reduced by the proposed strategy compared to direct subtraction. Experimental results are provided to demonstrate the performance of the perturbation suppression.

Original languageEnglish
Pages (from-to)982-983
Number of pages2
JournalElectronics Letters
Volume33
Issue number11
DOIs
StatePublished - 22 05 1997
Externally publishedYes

Keywords

  • Fibre optic sensors
  • Optical noise

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