High birefringence fibre interrogating interferometer for optical sensing applications

D.C.C. Norman, Y. Lai, D.J. Webb

Research output: Chapter in Book/Report/Conference proceedingConference publication

Abstract

We describe the use of high birefringence fibre forming a differential path interferometer for heterodyne fibre optic sensing applications. We firstly recover a low frequency strain amplitude of 1µe at 1Hz applied to a fibre Bragg grating sensor demonstrating a noise limited resolution of around 100ne/vHz. Secondly we interrogate a Mach-Zehnder interferometer sensor using the dual wavelength technique to detect a change in the Mach-Zehnder OPD of 200µm.
Original languageEnglish
Title of host publication17th international conference on optical fibre sensors
EditorsMarc Voet, Reinhardt Willsch, Wolfgang Ecke, Julian Jones, Brian Culshaw
PublisherSPIE
Pages615-618
Number of pages4
ISBN (Print)978-0-8194-5855-1, 0-8194-5855-4
DOIs
Publication statusPublished - 2005
Event17th international conference on Optical Fibre Sensors - Bruges, Belgium
Duration: 23 May 200527 May 2005

Publication series

NameSPIE proceedings
PublisherSPIE
Volume5855
ISSN (Print)0277-786X

Conference

Conference17th international conference on Optical Fibre Sensors
Abbreviated titleOFS-2005
CountryBelgium
CityBruges
Period23/05/0527/05/05

Bibliographical note

D. C. C. Norman ; Y. Lai and D. J. Webb "High birefringence fibre interrogating interferometer for optical sensing applications", Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, 615 (August 30, 2005);

Copyright 2005 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

http://dx.doi.org/10.1117/12.623270

Keywords

  • high birefringence fibre
  • iterferometer
  • sensor
  • interferometric
  • fibre optic sensing

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