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Proceedings Paper

Temperature independent bend measurement using a pi-phase shifted FBG at twice the Bragg wavelength
Author(s): Harpreet K. Bal; Fotios Sidiroglou; Zourab Brodzeli; Scott A. Wade; Greg W. Baxter; Stephen F. Collins
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Paper Abstract

The effect of bending on the twin peaks of an alternative type of pi-phase shifted fibre Bragg grating (FBG) (embedded in a resin) at twice the Bragg wavelength, has been investigated. Variation of the direction of bending resulted in corresponding changes in the relative intensity of these peaks. Temperature independent bend measurements were realised by monitoring the change of ratio of the reflected intensities of these peaks.

Paper Details

Date Published: 8 September 2010
PDF: 4 pages
Proc. SPIE 7653, Fourth European Workshop on Optical Fibre Sensors, 76530H (8 September 2010); doi: 10.1117/12.866398
Show Author Affiliations
Harpreet K. Bal, Victoria Univ. (Australia)
Fotios Sidiroglou, Victoria Univ. (Australia)
Zourab Brodzeli, Victoria Univ. (Australia)
Scott A. Wade, Swinburne Univ. of Technology (Australia)
Greg W. Baxter, Victoria Univ. (Australia)
Stephen F. Collins, Victoria Univ. (Australia)

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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