Submillimeter crack detection with Brillouin-based fiber-optic sensors

Fabien Ravet, Fabien Briffod, Branko Glisic, Marc Nikles̀, Daniele Inaudi

Research output: Contribution to journalArticle

52 Scopus citations

Abstract

Submillimeter crack is detected with a dedicated fiber-optic strain cable, a 1-m-spatial-resolution (w) distributed Brillouin sensor and an advanced signal processing technique. The signal processing approach consists in spectrum shape analysis and multiple peaks detection.

Original languageEnglish (US)
Article number5257462
Pages (from-to)1391-1396
Number of pages6
JournalIEEE Sensors Journal
Volume9
Issue number11
DOIs
StatePublished - Nov 1 2009

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Electrical and Electronic Engineering

Keywords

  • Brillouin optical time domain analysis Brillouin optical time domain reflectometer
  • Crack detectiondistributed Bsensor (DBS)
  • Fiber-optic strain sensing cable
  • Signal processing
  • Spatial resolution
  • Strain measurement
  • Structural helth monitoring

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