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Proceedings Paper

Microstructured optical fiber Bragg grating-based shear stress sensing in adhesive bonds
Author(s): Sanne Sulejmani; Camille Sonnenfeld; Thomas Geernaert; Geert Luyckx; Danny Van Hemelrijck; Pawel Mergo; Krzysztof Skorupski; Waclaw Urbanczyk; Karima Chah; Hugo Thienpont; Francis Berghmans
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Paper Abstract

We present shear stress sensing with a Bragg grating sensor fabricated in a highly birefringent microstructured optical fiber. This sensor has a shear strain sensing resolution of 0.04 pm/με when embedded in a shear loaded adhesive bond. We achieve discrete shear stress mapping in an adhesive bond by embedding a multitude of these sensors at different locations in the bond line. Experiments and numerical modeling show the limited influence of angular misalignment of the sensor on its shear stress response. Finally, we discuss the cross-sensitivity of this sensor to shear strain and temperature.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91577P (2 June 2014); doi: 10.1117/12.2059076
Show Author Affiliations
Sanne Sulejmani, Vrije Univ. Brussel (Belgium)
Camille Sonnenfeld, Vrije Univ. Brussel (Belgium)
Thomas Geernaert, Vrije Univ. Brussel (Belgium)
Geert Luyckx, Univ. Gent (Belgium)
Danny Van Hemelrijck, Vrije Univ. Brussel (Belgium)
Pawel Mergo, Marie Curie-Sklodowska Univ. (Poland)
Krzysztof Skorupski, Marie Curie-Sklodowska Univ. (Poland)
Waclaw Urbanczyk, Wroclaw Univ. of Technology (Poland)
Karima Chah, Univ. de Mons (Belgium)
Hugo Thienpont, Vrije Univ. Brussel (Belgium)
Francis Berghmans, Vrije Univ. Brussel (Belgium)


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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