Microwave subcarrier optical fiber strain sensor

Bertrand Noharet; Marc J. Turpin; Jean Chazelas; Philippe Bonniau; Douglas Walsh; W. Craig Michie; Brian Culshaw

doi:10.1117/12.184835

13 September 1994 Microwave subcarrier optical fiber strain sensor

Bertrand Noharet, Marc J. Turpin, Jean Chazelas, Philippe Bonniau, Douglas Walsh, W. Craig Michie, Brian Culshaw

Proceedings Volume 2361, Second European Conference on Smart Structures and Materials; (1994) https://doi.org/10.1117/12.184835
Event: Smart Structures and Materials: Second European Conference, 1994, Glasgow, United Kingdom

Abstract

At present, there is an acute need for techniques in monitoring civil engineering structures, and optical fiber sensors are acknowledged to be amongst the best candidates. For more than ten years, interferometric optical fiber sensors have been widely investigated and now provide a rich extended basis for measuring strains experienced by structural elements. However, because of their periodic response, those sensors need extending measuring techniques to fulfill civil engineering requirements. Amongst different methods, Thomson-CSF and the University of Strathclyde have recently employed a microwave subcarrier system [1]. A specific sensor dedication to the arena of large civil engineering structures has been designed and tested.

Citation Download Citation

Bertrand Noharet, Marc J. Turpin, Jean Chazelas, Philippe Bonniau, Douglas Walsh, W. Craig Michie, and Brian Culshaw "Microwave subcarrier optical fiber strain sensor", Proc. SPIE 2361, Second European Conference on Smart Structures and Materials, (13 September 1994); https://doi.org/10.1117/12.184835

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