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

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.

Citation Download Citation

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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