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Proceedings Paper

Simultaneous vibration and quasi-distributed strain measurement using incoherent OFDR and extrinsic Fabry-Perot interferometers
Author(s): Milan Steffen; Sascha Liehr; Frank Basedau; Katerina Krebber
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Paper Abstract

We present a measurement setup for combined quasi-distributed strain and dynamic point-wise vibration measurement using an incoherent optical frequency domain reflectometry (I-OFDR) setup in combination with extrinsic Fabry-Perot interferometers (EFPIs). Several EFPIs can be multiplexed and at the same time the strain along their supply fibres can be measured in a quasi-distributed manner. The setup is characterised and a demonstration of its general performance is given.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91576S (2 June 2014); doi: 10.1117/12.2059616
Show Author Affiliations
Milan Steffen, Bundesanstalt für Materialforschung und -prüfung (Germany)
Sascha Liehr, Bundesanstalt für Materialforschung und -prüfung (Germany)
Frank Basedau, Bundesanstalt für Materialforschung und -prüfung (Germany)
Katerina Krebber, Bundesanstalt für Materialforschung und -prüfung (Germany)

Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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