Composite Cure Monitoring With Infrared Transmitting Optical Fibers

Mark A. Druy; Lucy Elandjian; W. A. Stevenson

doi:10.1117/12.948895

16 January 1989 Composite Cure Monitoring With Infrared Transmitting Optical Fibers

Mark A. Druy, Lucy Elandjian, W. A. Stevenson

Proceedings Volume 0986, Fiber Optic Smart Structures and Skins; (1989) https://doi.org/10.1117/12.948895
Event: O-E/Fiber LASE '88, 1988, Boston, MA, United States

Abstract

The development of infrared-transmitting optical fibers as sensors for monitoring the cure of advanced composite materials is reported. Fourier transform infrared (FfIR) spectra are presented which were remotely sensed during the cure of a graphite/ polyimide matrix prepreg using a 0.2 mm OD x 3m chalcogenide optical fiber and a graphite/epoxy matrix prepreg using ~0.1 mm OD x 2m fluoride optical fiber. This marked the first time infrared-transmitting optical fibers have been used to sense and transmit infrared spectra of polymeric materials. A discussion of the fiber and sensor element, absorption mechanism and potential applications is presented.

Citation Download Citation

Mark A. Druy, Lucy Elandjian, and W. A. Stevenson "Composite Cure Monitoring With Infrared Transmitting Optical Fibers", Proc. SPIE 0986, Fiber Optic Smart Structures and Skins, (16 January 1989); https://doi.org/10.1117/12.948895

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