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Proceedings Paper

A novel fiber optic technique for quasi-distributed and dynamic measurement of length change and refractive index
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Paper Abstract

We present a novel technique for dynamic and simultaneous measurement of displacement and refractive indices at multiple reflection points in optical fibers. This quasi-distributed sensor is based on the incoherent optical frequency domain reflectometry (I-OFDR) technique and allows for ìm-resolution length change measurement and precise refractive index measurement. We show that the dynamic measurement ability and the simple sensor design allows for new applications in the field of structural health monitoring and chemical process control.

Paper Details

Date Published: 9 September 2010
PDF: 4 pages
Proc. SPIE 7653, Fourth European Workshop on Optical Fibre Sensors, 76532V (9 September 2010); doi: 10.1117/12.866325
Show Author Affiliations
Sascha Liehr, Bundesanstalt für Materialforschung und -prüfung (Germany)
Katerina Krebber, Bundesanstalt für Materialforschung und -prüfung (Germany)


Published in SPIE Proceedings Vol. 7653:
Fourth European Workshop on Optical Fibre Sensors
José Luís Santos; Brian Culshaw; José Miguel López-Higuera; William N. MacPherson, Editor(s)

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