Fiber Optic Cure Sensor for Thermoset Composites
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We present recent experimental verification of a new in-situ fiber optic sensor [1] for detecting the curing of thermoset composites. This device is sensitive to the difference between the refractive index of the curing polymer matrix within the composite and that of a fully-cured reference fiber made of the same thermoset material. The method is indifferent to temperature variations imposed during the cure process.
[1] Norman F. Sheppard,et al. In-Situ Measurement of the Properties of Curing Systems with Microdielectrometry. , 1982 .
[2] G. G. Stokes. "J." , 1890, The New Yale Book of Quotations.