Quasi-distributed strain sensor incorporating a chirped Moiré fiber Bragg grating

A.M. Gillooly, L. Zhang, I. Bennion

Research output: Contribution to journalArticlepeer-review

Abstract

A quasi-distributed strain sensor with an average spatial resolution of 164 µm over a length of 25 mm and a strain sensitivity of 0.8 ± 0.01 pm/µe has been experimentally demonstrated. The sensor was formed by a chirped Moiré fiber Bragg grating written into the core of single-mode optical fiber with a 244-nm continuous-wave laser.
Original languageEnglish
Pages (from-to)444-446
Number of pages3
JournalIEEE Photonics Technology Letters
Volume17
Issue number2
DOIs
Publication statusPublished - Feb 2005

Keywords

  • continuous wave lasers
  • fiber Bragg gratings
  • laser beam effects
  • laser tuning
  • optical fiber fabrication
  • refractive index
  • single mode fibers
  • strain measurement

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