Composite cure monitoring with embedded optical fiber sensors

Andrew Davis; Myo Myint Ohn; Kexing Liu; Raymond M. Measures

doi:10.1117/12.46585

1 October 1991 Composite cure monitoring with embedded optical fiber sensors

Andrew Davis, Myo Myint Ohn, Kexing Liu, Raymond M. Measures

Proceedings Volume 1489, Structures Sensing and Control; (1991) https://doi.org/10.1117/12.46585
Event: Orlando '91, 1991, Orlando, FL, United States

Abstract

This paper will report on efforts directed towards the generation and detection of ultrasonic waves using optical fibers. Interferometric optical fiber sensors are embedded within or bonded to the samples. Two different techniques, laser generated ultrasound and piezoelectric ultrasonics, were used in the study of pulse delay measurements in aluminum and in a room temperature cured epoxy. Group velocity in aluminum was determined with both techniques. The application of these two methods to epoxy cure monitoring is discussed.

Citation Download Citation

Andrew Davis, Myo Myint Ohn, Kexing Liu, and Raymond M. Measures "Composite cure monitoring with embedded optical fiber sensors", Proc. SPIE 1489, Structures Sensing and Control, (1 October 1991); https://doi.org/10.1117/12.46585

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