Theoretical and experimental study on the fiber optic displacement sensor with two receiving fibers

Sulaiman Wadi Harun, H. Z. Yang, Moh Yasin, H. Ahmad

Research output: Contribution to journalArticlepeer-review

34 Citations (Scopus)

Abstract

The intensity-modulation-based displacement sensor with two receiving fibers is theoretically and experimentally studied. The mathematical model ofthe proposed sensor is developed and the simulated responses are obtained to be in a good agreement with the experimental results. Compared with the conventional sensor with only one receiving fiber, the proposed sensor has a better linearity range because it has a larger area to receive the reflected light from the target. However, the sensitivity ofboth sensors is almost similar. The proposed sensor has the maximum linearity ranges of 2.5 μm and 0.9 μm at the back and front slopes, respectively. The linearity ranges are improved by about 44% compared with the conventional sensor.

Original languageEnglish
Pages (from-to)373-375
Number of pages3
JournalMicrowave and Optical Technology Letters
Volume52
Issue number2
DOIs
Publication statusPublished - Feb 2010

Keywords

  • Displacement sensor
  • Fiber optic sensor
  • Fiber optics

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