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Proceedings Paper

Novel technique for distributed fibre sensing based on faint long gratings (FLOGs)
Author(s): Luc Thévenaz; Sanghoon Chin; Juan Sancho; Salvador Sales
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Paper Abstract

A novel approach for fibre distributed sensing is proposed, conceived to match as closely as possible to an ideally responding distributed sensor. It is demonstrated that it can be actually realized using fibre Bragg gratings of extremely low index contrast and continuously printed over the entire fibre length. The concept is experimentally validated over a restricted distance range that proves the huge potentialities of the technique in terms of response and precision.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91576W (2 June 2014); doi: 10.1117/12.2059668
Show Author Affiliations
Luc Thévenaz, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Sanghoon Chin, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Juan Sancho, Univ. Politècnica de València (Spain)
Salvador Sales, Univ. Politècnica de València (Spain)

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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