Multiuse extrinsic sensor for materials evaluation

James M. Sanderson; Russell G. May; Kent A. Murphy; Richard O. Claus

doi:10.1117/12.187395

21 September 1994 Multiuse extrinsic sensor for materials evaluation

James M. Sanderson, Russell G. May, Kent A. Murphy, Richard O. Claus

Proceedings Volume 2294, Distributed and Multiplexed Fiber Optic Sensors IV; (1994) https://doi.org/10.1117/12.187395
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

A fiberoptic sensor, based on the extrinsic Fabry-Perot interferometer (EFPI) design, was developed for intelligent processing of epoxy matrix composite materials. The EFPI sensor is modified so that, when embedded in a composite material during fabrication, it will output a signal that is proportional to the degree of polymerization (cure state) of the epoxy. After cure of the epoxy, the sensor may be used to measure initial strains.

Citation Download Citation

James M. Sanderson, Russell G. May, Kent A. Murphy, and Richard O. Claus "Multiuse extrinsic sensor for materials evaluation", Proc. SPIE 2294, Distributed and Multiplexed Fiber Optic Sensors IV, (21 September 1994); https://doi.org/10.1117/12.187395

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