Highly reproducible Bragg grating acousto-ultrasonic contact transducers

Indu Fiesler Saxena; Narciso Guzman; Robert A. Lieberman

doi:10.1117/12.2064603

17 September 2014 Highly reproducible Bragg grating acousto-ultrasonic contact transducers

Indu Fiesler Saxena, Narciso Guzman, Robert A. Lieberman

Proceedings Volume 9202, Photonics Applications for Aviation, Aerospace, Commercial, and Harsh Environments V; 92021O (2014) https://doi.org/10.1117/12.2064603
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

Fiber optic acousto-ultrasonic transducers offer numerous applications as embedded sensors for impact and damage detection in industrial and aerospace applications as well as non-destructive evaluation. Superficial contact transducers with a sheet of fiber optic Bragg gratings has been demonstrated for guided wave ultrasound based measurements. It is reported here that this method of measurement provides highly reproducible guided ultrasound data of the test composite component, despite the optical fiber transducers not being permanently embedded in it.

Citation Download Citation

Indu Fiesler Saxena, Narciso Guzman, and Robert A. Lieberman "Highly reproducible Bragg grating acousto-ultrasonic contact transducers", Proc. SPIE 9202, Photonics Applications for Aviation, Aerospace, Commercial, and Harsh Environments V, 92021O (17 September 2014); https://doi.org/10.1117/12.2064603

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