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Proceedings Paper

Distributed humidity sensing based on Rayleigh scattering in polymer optical fibers
Author(s): Philipp Lenke; Mario Wendt; Sascha Liehr; Katerina Krebber
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Paper Abstract

In this document a new distributed sensor based on Rayleigh scattering in polymer optical fibers (POF) is proposed and first measurement results of the proposed sensor are shown. Different from Silica glas optical fibers POF absorb high quantities of water resulting in a change of their molecular structure and thereby reducing the present small scattering centers in areas of high humidity. The interdependence between scattering intensity and relative humidity is being investigated in case of steady cycles as well as stepwise changes of humidity and in the presence of moisture. A quantitative measure of humidity and scattering is presented.

Paper Details

Date Published: 9 September 2010
PDF: 4 pages
Proc. SPIE 7653, Fourth European Workshop on Optical Fibre Sensors, 76533X (9 September 2010); doi: 10.1117/12.866279
Show Author Affiliations
Philipp Lenke, Bundesanstalt für Materialforschung und -prüfung (Germany)
Mario Wendt, Bundesanstalt für Materialforschung und -prüfung (Germany)
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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