Feasibility study concerning optical fiber sensor vibration monitoring subsystem

James R. Dunphy

doi:10.1117/12.239155

1 May 1996 Feasibility study concerning optical fiber sensor vibration monitoring subsystem

James R. Dunphy

Author Affiliations +

Proceedings Volume 2721, Smart Structures and Materials 1996: Industrial and Commercial Applications of Smart Structures Technologies; (1996) https://doi.org/10.1117/12.239155
Event: 1996 Symposium on Smart Structures and Materials, 1996, San Diego, CA, United States

Abstract

This paper reports on the results of a feasibility study concerning optical fiber Bragg grating sensors for vibration monitoring. The fiber grating sensors were embedded in glass-reinforced epoxy and graphite-reinforced PEEK active mount structures developed by the SPICES Consortium. The fiber sensors were interfaced to controllers by an acousto-optic tuned filter based instrument that provided simultaneous, real time, dynamic strain signals from 4 wavelength multiplexed sensors with a resolution of 0.002 microstrain per root Hz and a bandwidth of 4 kHz. The sensor interface design and performance are presented.

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James R. Dunphy "Feasibility study concerning optical fiber sensor vibration monitoring subsystem", Proc. SPIE 2721, Smart Structures and Materials 1996: Industrial and Commercial Applications of Smart Structures Technologies, (1 May 1996); https://doi.org/10.1117/12.239155

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