Optical fiber microcavity strain sensors produced by the catastrophic fuse effect

Paulo F.C. Antunes, M. Fátima F. Domingues, Nélia J. Alberto, P. S. André

Research output: Contribution to journalArticlepeer-review

63 Scopus citations

Abstract

We present an innovative and cost effective approach to produced sensors based on optical fiber microcavities. The proposed microcavities were manufactured by splicing a standard optical fiber with recycled optical fibers destroyed by the catastrophic fuse effect, yielding strain sensors with sensitivity up to 2.56 pm·με-1. The feasibility of this solution employing recycled optical fibers was demonstrated, presenting an economical solution for sensing purposes, when compared with cavities produced using complex methods. We also show, for the first time, that the sensitivity of these microcavities Fabry-Perot interferometers sensors depends on the cavity volume.

Original languageBritish English
Article number6655931
Pages (from-to)78-81
Number of pages4
JournalIEEE Photonics Technology Letters
Volume26
Issue number1
DOIs
StatePublished - 1 Jan 2014

Keywords

  • Fabry-perot interferometer
  • Fiber fuse effect
  • Fiber optic
  • Fiber optic sensors

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