Ultrasonic NDE (nondestructive evaluation) for composite materials using embedded fiber optic interferometric sensors

Kexing Liu; Suzanne M. Ferguson; Andrew Davis; Keith McEwen; Raymond M. Measures

doi:10.1117/12.47795

1 April 1991 Ultrasonic NDE (nondestructive evaluation) for composite materials using embedded fiber optic interferometric sensors

Kexing Liu, Suzanne M. Ferguson, Andrew Davis, Keith McEwen, Raymond M. Measures

Author Affiliations +

Proceedings Volume 1398, CAN-AM Eastern '90; (1991) https://doi.org/10.1117/12.47795
Event: CAN-AM Eastern '90: 1st Canadian-American Eastern Regional Conference on Applications of Optical Engineering, 1990, Rochester, NY, United States

Abstract

An interferometric fiber optic sensor using ordinary single-mode fibers is developed to detect elastic strain waves for nondestructive evaluation of composite materials. This fiber sensor has been embedded in both graphite/epoxy and Kevlar/epoxy composite specimens. Applications of the sensor for detection of acoustic emission and laser generated ultrasound are presented. Limitations of the sensor are also discussed. 1.

Citation Download Citation

Kexing Liu, Suzanne M. Ferguson, Andrew Davis, Keith McEwen, and Raymond M. Measures "Ultrasonic NDE (nondestructive evaluation) for composite materials using embedded fiber optic interferometric sensors", Proc. SPIE 1398, CAN-AM Eastern '90, (1 April 1991); https://doi.org/10.1117/12.47795

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