Wavelength detection of coherence-multiplexed fiber-optic sensors based on long-period grating pairs

Zu G. Guan, Aping Zhang, Ran Liao, Sailing He

Research output: Journal article publicationJournal articleAcademic researchpeer-review

8 Citations (Scopus)


Multiplexed fiber-optic sensors based on long-period grating pairs (LPGPs) are presented. With a low-coherence reflectometry, the spectral responses of the specially configured LPGP sensors are precisely quantified from the corresponding sub-reflectograms through a fast Fourier transformation (FFT). By monitoring the wavelength shift of the LPGP sensors, temperature is measured experimentally, and good performance is obtained.
Original languageEnglish
Pages (from-to)36-37
Number of pages2
JournalIEEE Sensors Journal
Issue number1
Publication statusPublished - 1 Jan 2007
Externally publishedYes


  • Long-period grating pair
  • Low-coherence reflectometry
  • Multiplexed sensors
  • Spectrum reconstruction

ASJC Scopus subject areas

  • Engineering(all)
  • Electrical and Electronic Engineering

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