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Abstract
The application of shear stress sensors in structural health monitoring remains limited because current sensors are either difficult to implement, they feature a low measurement resolution or the interrogation of the output signal is complex. We propose to use fiber Bragg grating-based sensors fabricated in dedicated highly birefringent microstructured optical fibers. When embedded in a host material, the orientation angle of the fiber should be chosen such that their polarization axes are aligned parallel with the direction of maximum shear stress when the host is mechanically loaded. We present experimental results of sensors embedded in the adhesive layer of single lap and double lap structural joints. These tests demonstrate that when the joints are tension loaded, the embedded sensors have a shear stress sensitivity of around 60 pm/MPa. We study the influence of the adhesive material on the sensor response, as well as the influence of sensor orientation and location in the bond line Finally, we demonstrate the minimal thermal cross-sensitivity of the shear stress sensitivity of this sensor.
Keywords
shear strain sensor, structural health monitoring, fiber Bragg grating, microstructured optical fiber, adhesive bond

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MLA
Sulejmani, Sanne, et al. “Fiber Bragg Grating-Based Shear Strain Sensors for Adhesive Bond Monitoring.” MICRO-STRUCTURED AND SPECIALTY OPTICAL FIBRES III, edited by K. Kalli and A. Mendez, vol. 9128, SPIE, 2014, doi:10.1117/12.2050338.
APA
Sulejmani, S., Sonnenfeld, C., Geernaert, T., Van Hemelrijck, D., Luyckx, G., Mergo, P., … Berghmans, F. (2014). Fiber Bragg grating-based shear strain sensors for adhesive bond monitoring. In K. Kalli & A. Mendez (Eds.), MICRO-STRUCTURED AND SPECIALTY OPTICAL FIBRES III (Vol. 9128). https://doi.org/10.1117/12.2050338
Chicago author-date
Sulejmani, Sanne, Camille Sonnenfeld, Thomas Geernaert, Danny Van Hemelrijck, Geert Luyckx, Pawel Mergo, Waclaw Urbanczyk, et al. 2014. “Fiber Bragg Grating-Based Shear Strain Sensors for Adhesive Bond Monitoring.” In MICRO-STRUCTURED AND SPECIALTY OPTICAL FIBRES III, edited by K. Kalli and A. Mendez. Vol. 9128. SPIE. https://doi.org/10.1117/12.2050338.
Chicago author-date (all authors)
Sulejmani, Sanne, Camille Sonnenfeld, Thomas Geernaert, Danny Van Hemelrijck, Geert Luyckx, Pawel Mergo, Waclaw Urbanczyk, Karima Chah, Christophe Caucheteur, Patrice Megret, Hugo Thienpont, and Francis Berghmans. 2014. “Fiber Bragg Grating-Based Shear Strain Sensors for Adhesive Bond Monitoring.” In MICRO-STRUCTURED AND SPECIALTY OPTICAL FIBRES III, ed by. K. Kalli and A. Mendez. Vol. 9128. SPIE. doi:10.1117/12.2050338.
Vancouver
1.
Sulejmani S, Sonnenfeld C, Geernaert T, Van Hemelrijck D, Luyckx G, Mergo P, et al. Fiber Bragg grating-based shear strain sensors for adhesive bond monitoring. In: Kalli K, Mendez A, editors. MICRO-STRUCTURED AND SPECIALTY OPTICAL FIBRES III. SPIE; 2014.
IEEE
[1]
S. Sulejmani et al., “Fiber Bragg grating-based shear strain sensors for adhesive bond monitoring,” in MICRO-STRUCTURED AND SPECIALTY OPTICAL FIBRES III, Brussels, Belgium, 2014, vol. 9128.
@inproceedings{6873672,
  abstract     = {{The application of shear stress sensors in structural health monitoring remains limited because current sensors are either difficult to implement, they feature a low measurement resolution or the interrogation of the output signal is complex. We propose to use fiber Bragg grating-based sensors fabricated in dedicated highly birefringent microstructured optical fibers. When embedded in a host material, the orientation angle of the fiber should be chosen such that their polarization axes are aligned parallel with the direction of maximum shear stress when the host is mechanically loaded. We present experimental results of sensors embedded in the adhesive layer of single lap and double lap structural joints. These tests demonstrate that when the joints are tension loaded, the embedded sensors have a shear stress sensitivity of around 60 pm/MPa. We study the influence of the adhesive material on the sensor response, as well as the influence of sensor orientation and location in the bond line Finally, we demonstrate the minimal thermal cross-sensitivity of the shear stress sensitivity of this sensor.}},
  articleno    = {{91280D}},
  author       = {{Sulejmani, Sanne and Sonnenfeld, Camille and Geernaert, Thomas and Van Hemelrijck, Danny and Luyckx, Geert and Mergo, Pawel and Urbanczyk, Waclaw and Chah, Karima and Caucheteur, Christophe and Megret, Patrice and Thienpont, Hugo and Berghmans, Francis}},
  booktitle    = {{MICRO-STRUCTURED AND SPECIALTY OPTICAL FIBRES III}},
  editor       = {{Kalli, K. and Mendez, A.}},
  isbn         = {{9781628410761}},
  issn         = {{0277-786X}},
  keywords     = {{shear strain sensor,structural health monitoring,fiber Bragg grating,microstructured optical fiber,adhesive bond}},
  language     = {{eng}},
  location     = {{Brussels, Belgium}},
  pages        = {{6}},
  publisher    = {{SPIE}},
  title        = {{Fiber Bragg grating-based shear strain sensors for adhesive bond monitoring}},
  url          = {{http://dx.doi.org/10.1117/12.2050338}},
  volume       = {{9128}},
  year         = {{2014}},
}

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