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Proceedings Paper

Bragg gratings in carbon coated optical fibers and their potential sensor applications in harsh environment
Author(s): Yaowen Li; David J. Kudelko; Adam S. Hokansson; Debra A. Simoff; Andrei A. Stolov; Joanna Ng; Joel Mann
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Paper Abstract

We have demonstrated that fiber Bragg gratings can be written through the carbon layer of carbon-coated optical fibers having different coating thicknesses. Specifically, grating index modulation amplitudes of ~2.5x10-5 and 0.52x10-5 were obtained in optical fibers having carbon layers 29 nm and 56 nm thick, respectively, without any extra photosensitization of the fibers. Subsequent experimental results showed that the carbon coatings in the grating areas didn’t change their hermetic properties. Finally, we describe the advantages of these gratings and their potential applications in fiber optic sensing.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91573X (2 June 2014); doi: 10.1117/12.2059676
Show Author Affiliations
Yaowen Li, OFS Fitel LLC (United States)
David J. Kudelko, OFS Fitel LLC (United States)
Adam S. Hokansson, OFS Fitel LLC (United States)
Debra A. Simoff, OFS Fitel LLC (United States)
Andrei A. Stolov, OFS Fitel LLC (United States)
Joanna Ng, OFS Fitel LLC (United States)
Joel Mann, OFS Fitel LLC (United States)

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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