Multiplexed fibre optic system for both local and spatially averaged strain monitoring

Harald Geiger; Ming Gang Xu; M. A. Longstaff-Tyrell; John P. Dakin; Nicholas C. Eaton; P. J. Chivers

doi:10.1117/12.184868

13 September 1994 Multiplexed fibre optic system for both local and spatially averaged strain monitoring

Harald Geiger, Ming Gang Xu, M. A. Longstaff-Tyrell, John P. Dakin, Nicholas C. Eaton, P. J. Chivers

Proceedings Volume 2361, Second European Conference on Smart Structures and Materials; (1994) https://doi.org/10.1117/12.184868
Event: Smart Structures and Materials: Second European Conference, 1994, Glasgow, United Kingdom

Abstract

An optical fiber sensor system to interrogate point sensors (Bragg gratings) and optical path length between point sensors is discussed. The paper describes interrogation schemes capable of measurement resolutions better than 100 microstrain based on simple optics, telecommunications electronics and sophisticated signal processing.

Citation Download Citation

Harald Geiger, Ming Gang Xu, M. A. Longstaff-Tyrell, John P. Dakin, Nicholas C. Eaton, and P. J. Chivers "Multiplexed fibre optic system for both local and spatially averaged strain monitoring", Proc. SPIE 2361, Second European Conference on Smart Structures and Materials, (13 September 1994); https://doi.org/10.1117/12.184868

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