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Proceedings Paper

A comparison of brazed metal and epoxied fibre Bragg grating strain sensors under high strain regimes
Author(s): I. Mckeeman; P. Niewczas; S. Khan
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Paper Abstract

Three different fibre Bragg grating strain sensors were tested for their suitability for measuring high strain. The sensor types were: a bare epoxied fibre Bragg grating, a standard fibre Bragg grating epoxied into a metal capillary and, finally, a metal coated fibre Bragg grating brazed into a metal capillary. The sensors were calibrated on a steel specimen up to 1400MPa (equivalent to 7.3mε). The results show that the bare epoxied Bragg grating and the metal packaged grating are suitable for measuring strains of this level.

Paper Details

Date Published: 23 April 2017
PDF: 4 pages
Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103233E (23 April 2017); doi: 10.1117/12.2264997
Show Author Affiliations
I. Mckeeman, Univ. of Strathclyde (United Kingdom)
P. Niewczas, Univ. of Strathclyde (United Kingdom)
S. Khan, EDF Energy (United Kingdom)


Published in SPIE Proceedings Vol. 10323:
25th International Conference on Optical Fiber Sensors
Youngjoo Chung; Wei Jin; Byoungho Lee; John Canning; Kentaro Nakamura; Libo Yuan, Editor(s)

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