Fiber Optic Sensors For The Nondestructive Evaluation Of Composite Materials

G. Meltz; J. R. Dunphy

doi:10.1117/12.949782

3 January 1986 Fiber Optic Sensors For The Nondestructive Evaluation Of Composite Materials

G. Meltz, J. R. Dunphy

Proceedings Volume 0566, Fiber Optic and Laser Sensors III; (1986) https://doi.org/10.1117/12.949782
Event: 29th Annual Technical Symposium, 1985, San Diego, United States

Abstract

Twin-core and polarimetric fiber optic sensors have been embedded in composite plates and used to measure subsurface flexural and compressive bearing strains. Residual thermal stresses have been observed by measuring the change in the twin-core crosstalk with wave-length near the antisymmetric mode cutoff and subsurface crack initiation and growth has been detected with a subsurface twin-core sensor in a pin-loaded bolt hole fatigue test.

Citation Download Citation

G. Meltz and J. R. Dunphy "Fiber Optic Sensors For The Nondestructive Evaluation Of Composite Materials", Proc. SPIE 0566, Fiber Optic and Laser Sensors III, (3 January 1986); https://doi.org/10.1117/12.949782

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