Characterization of crosstalk of a TDM FBG sensor array using a laser source

C. C. Chan, Y. J. Gao, K. T. Lau, H. L. Ho, Li Min Zhou, Wei Jin

Research output: Journal article publicationJournal articleAcademic researchpeer-review

11 Citations (Scopus)


The performance of the 2-fiber Bragg gratings time division multiplexing sensors array by using a laser source was investigated. It was found that the wavelength detection accuracy was limited by the coherent mixing between the signal wave from one channel and the leakage waves from another channel due to the limited extinction ratio of the optical pulse modulator. However, this crosstalk depends on the amplitude of the laser wavelength modulation, and can therefore be reduced by selecting particular values of the wavelength modulation amplitude.
Original languageEnglish
Pages (from-to)299-304
Number of pages6
JournalOptics and Laser Technology
Issue number5
Publication statusPublished - 1 Jul 2001


  • Fiber Bragg gratings
  • Fiber optic sensors
  • Laser
  • Time-division multiplexing

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering


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