A distributed frequency modulation continuous wave fiber stress sensor based on a birefringent sagnac ring configuration

Michael Campbell*, Gang Zheng, Peter A. Wallace, A. Sheila Holmes-Smith

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

A new distributed stress sensor, based on a birefringent fiber Sagnac ring configuration and frequency modulation continuous wave technology, has been investigated. The two forward-coupled mode beams in the Sagnac ring, induced by an applied stress at any given point along the fiber length, produce a beat frequency which can be analysed to determine, simultaneously, the magnitude and position of the stress. The system has a reasonable spatial resolution of 1 m in a dynamic sensing range of 50 m.

Original languageEnglish
Pages (from-to)A114-A116
Number of pages3
JournalOptical Review
Volume4
Issue number1 PART A
DOIs
Publication statusPublished - Jan 1997

Keywords

  • Distributed sensor
  • Fiber sensor
  • Frequency modulated continuous wave technology
  • Polarimetric
  • Stress sensor

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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