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Proceedings Paper

Determination of strain sensitivity of free fiber Bragg gratings
Author(s): Johannes Roths; Florian Jülich
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Paper Abstract

Strain sensitivities of free, uncoated fiber Bragg gratings at λB ~1535 nm in a SMF28 standard telecommunication fiber and in a highly GeO2 doped photosensitive fiber (F86) were determined at room temperature. Both fibers showed similar strain sensitivities of kSMF28 = (0.7951 ± 0.0041) for the SMF28 and kF86 = (0.7912 ± 0.0023) for the F86 fiber. The stress sensitivities of both fibers were found to be slightly different with the values of (Δλ/F)SMF28 = (1.347 ± 0.006) nm/N for the SMF 28 fiber and (Δλ/F)F86 = (1.309 ± 0.001) nm/N for the F86 fiber.

Paper Details

Date Published: 26 April 2008
PDF: 8 pages
Proc. SPIE 7003, Optical Sensors 2008, 700308 (26 April 2008); doi: 10.1117/12.781426
Show Author Affiliations
Johannes Roths, Munich Univ. of Applied Sciences (Germany)
Florian Jülich, Munich Univ. of Applied Sciences (Germany)

Published in SPIE Proceedings Vol. 7003:
Optical Sensors 2008
Francis Berghmans; Patrick P. Meyrueis; Thomas P. Pearsall; Anna Grazia Mignani; Antonello Cutolo, Editor(s)

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