Resonant cavity based fibre Bragg grating sensor interrogation using ratiometric detection

Glynn Lloyd, Lorna Everall, Kate Sugden, Ian Bennion

Research output: Contribution to journalArticle

Abstract

Time-division-multiplexing of fibre Bragg gratings using a novel resonant cavity architecture is described. Independent extraction of amplified optical signals from individual sensors is demonstrated, making it possible to use a low-cost, passive wavelength measurement technique for sensor readout. Using a commercial ratiometric filter component, the complete interrogation system remains simple and solid-state. Results show that the configuration has the capability to deliver static measurements with picometre resolution, or to perform vibration analysis at up to 4.4 kHz.
Original languageEnglish
Pages (from-to)193-197
Number of pages5
JournalOptics Communications
Volume244
Issue number1-6
Early online date1 Oct 2004
DOIs
Publication statusPublished - 3 Jan 2005

Fingerprint

Cavity resonators
interrogation
cavity resonators
Fiber Bragg gratings
Bragg gratings
time division multiplexing
Time division multiplexing
fibers
sensors
Sensors
Vibration analysis
optical communication
readout
solid state
filters
Wavelength
vibration
configurations
wavelengths
Costs

Keywords

  • optical fibre sensing
  • ratiometric detection
  • resonant cavity
  • time-division-multiplexing

Cite this

Lloyd, Glynn ; Everall, Lorna ; Sugden, Kate ; Bennion, Ian. / Resonant cavity based fibre Bragg grating sensor interrogation using ratiometric detection. In: Optics Communications. 2005 ; Vol. 244, No. 1-6. pp. 193-197.
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Resonant cavity based fibre Bragg grating sensor interrogation using ratiometric detection. / Lloyd, Glynn; Everall, Lorna ; Sugden, Kate; Bennion, Ian.

In: Optics Communications, Vol. 244, No. 1-6, 03.01.2005, p. 193-197.

Research output: Contribution to journalArticle

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