Simultaneous interrogation of fiber Bragg grating sensors using an acoustooptic tunable filter

C. Boulet*, D. J. Webb, M. Douay, P. Niay

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

In this letter, we describe a novel technique to provide demultimplexing of fiber Bragg grating sensors, interrogated using interferometric wavelength shift detection. Amplitude modulation of multiple radio frequency driving signals allows au acoustooptic tunable filter to provide wavelength demultiplexing. We demonstrated a noise limited strain resolution of 150 nanostrain/√Hz and a crosstalk better than -50 dB.

Original languageEnglish
Pages (from-to)1215-1217
Number of pages3
JournalIEEE Photonics Technology Letters
Volume13
Issue number11
DOIs
Publication statusPublished - Nov 2001

Fingerprint

Acoustooptical effects
tunable filters
interrogation
Fiber Bragg gratings
Bragg gratings
Demultiplexing
Wavelength
demultiplexing
fibers
Amplitude modulation
sensors
Sensors
Crosstalk
crosstalk
wavelengths
radio frequencies
shift

Bibliographical note

©2001 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

Keywords

  • fiber Bragg grating
  • optical fiber sensors

Cite this

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abstract = "In this letter, we describe a novel technique to provide demultimplexing of fiber Bragg grating sensors, interrogated using interferometric wavelength shift detection. Amplitude modulation of multiple radio frequency driving signals allows au acoustooptic tunable filter to provide wavelength demultiplexing. We demonstrated a noise limited strain resolution of 150 nanostrain/√Hz and a crosstalk better than -50 dB.",
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Simultaneous interrogation of fiber Bragg grating sensors using an acoustooptic tunable filter. / Boulet, C.; Webb, D. J.; Douay, M.; Niay, P.

In: IEEE Photonics Technology Letters, Vol. 13, No. 11, 11.2001, p. 1215-1217.

Research output: Contribution to journalArticle

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