Switched FDM operation of fiber Bragg grating sensors using subcarrier intensity modulation

Peter K.C. Chan, Wei Jin, M. Suleyman Demokan

Research output: Journal article publicationConference articleAcademic researchpeer-review

Abstract

We report on the experimental demonstration of a switched frequency domain technique for multiplexing of fiber Bragg grating sensors using subcarrier intensity modulation. The technique can be used to address fiber Bragg grating sensor arrays consisting of multiple branches and is capable of multiplexing fiber Bragg gratings of either identical or different Bragg wavelengths. The crosstalk between sensors was found to be negligible.
Original languageEnglish
Pages (from-to)237-244
Number of pages8
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume3330
DOIs
Publication statusPublished - 1 Dec 1998
EventSmart Structures and Materials 1998: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials - San Diego, CA, United States
Duration: 2 Mar 19982 Mar 1998

Keywords

  • Fiber Bragg grating sensors
  • Fiber optic sensors
  • Multiplexing
  • Subcarrier intensity modulation

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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