Submillimeter crack detection with Brillouin-based fiber-optic sensors

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

Research output: Contribution to journalArticlepeer-review

67 Scopus citations


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
Issue number11
StatePublished - Nov 2009

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Electrical and Electronic Engineering


  • 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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