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Proceedings Article

The use of fibre Bragg grating sensors for damage detection and location in structural materials

[+] Author Affiliations
Graham Thursby, Brian Culshaw

Univ. of Strathclyde (United Kingdom)

Daniel Betz

DaimlerChrysler AG (Germany)

Wieslaw Staszewski

Sheffield Univ. (United Kingdom)

Proc. SPIE 5502, Second European Workshop on Optical Fibre Sensors, 208 (June 9, 2004); doi:10.1117/12.566631
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From Conference Volume 5502

  • Second European Workshop on Optical Fibre Sensors
  • Santander, Spain | June 09, 2004

abstract

We describe a novel method of damage location using ultrasonic Lamb waves detected by fiber Bragg gratings. The gratings are configured in a rosette configuration in order that the direction of an incoming wave may be determined. Location of holes was determined by finding the intersect point of the reflected ultrasound signals obtained from two rosettes. Accurate results are obtained when optimum geometries source transducers an fiber gratings are used.

© (2004) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Graham Thursby ; Daniel Betz ; Wieslaw Staszewski and Brian Culshaw
"The use of fibre Bragg grating sensors for damage detection and location in structural materials", Proc. SPIE 5502, Second European Workshop on Optical Fibre Sensors, 208 (June 9, 2004); doi:10.1117/12.566631; http://dx.doi.org/10.1117/12.566631


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