Development of an ultrasonic wave measurement device based on Fiber Bragg Gratings
in optical fibers: application to Guided Wave Structural Health Monitoring
Arnaud Recoquillay17, Nicolas Roussel5, Laurent Maurin3, Tom Druet14, Guillaume Laffont6, Bastien Chapuis36 CEA, LIST; University Paris-Saclay63, Palaiseau, France
Abstract: Optical fiber transducers such as Fiber Bragg Gratings
(FBG) are promising solutions for guided waves Structural
Health Monitoring (SHM) due to their low intrusivity and
their ability to cope with harsh environments (extreme
temperatures, radiations, explosive atmospheres…). We
present here a solution enabling measurements under
varying environmental and operational conditions, which is
mandatory for many applications in SHM, the low
complexity of the solution ensuring good integration
capacities. The effect of the length of the FBG was also
studied to enable the optimization of the system sensitivity.
Recoquillay, A., Roussel, N., Maurin, L., Druet, T., Laffont, G., & Chapuis, B. (2023). Development of an ultrasonic wave measurement device based on Fiber Bragg Gratings
in optical fibers: application to Guided Wave Structural Health Monitoring. LES JOURNÉES COFREND/ COFREND DAYS, France, Marseille, 06 - 08 June 2023. e-Journal of Nondestructive Testing Vol. 28(9). https://doi.org/10.58286/28497
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