Differential phase tracking applied to Bragg gratings in multi-core fibre for high accuracy curvature measurement

G M H Flockhart, G A Cranch, C K Kirkendall

Research output: Contribution to journalArticle

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Abstract

High resolution quasi-static and dynamic curvature measurements are made by differential interferometric phase measurement of fibre Bragg gratings in separate cores of a multi-core fibre. A DC curvature stability of 1 X 10(-3) m(-1) and an AC curvature resolution of 1 X 10(-4) m(-1)/Hz(1/2) are reported.

Original languageEnglish
Pages (from-to)390-391
Number of pages2
JournalElectronics Letters
Volume42
Issue number7
DOIs
Publication statusPublished - 30 Mar 2006

Keywords

  • differential phase tracking
  • bragg gratings
  • multi-core fibre
  • high accuracy
  • curvature measurement

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