Compact FBG array structure for high spatial resolution distributed strain sensing

B.A.L. Gwandu, L. Zhang, K. Chisholm, Y. Liu, X. Shu, I. Bennion

Research output: Contribution to journalArticle

Abstract

In this article, we report an implementation of distributed sensors that employ compact-grating-array structure, offering advantages of arbitrary dynamic range, high spatial resolution and simple interrogation by utilizing the established wavelength-division-multiplexing technique. The sensors have been demonstrated for measuring both linearly and non-linearly distributed strain with high spectral and spatial resolutions.
Original languageEnglish
Pages (from-to)918-921
Number of pages4
JournalMeasurement Science and Technology
Volume12
Issue number7
DOIs
Publication statusPublished - Jul 2001

Keywords

  • strain
  • cracks
  • fbg array
  • spatial resolution
  • distributed sensing

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