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Proceedings Paper

Composite Cure Monitoring With Infrared Transmitting Optical Fibers
Author(s): Mark A. Druy; Lucy Elandjian; W. A. Stevenson
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Paper 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.

Paper Details

Date Published: 16 January 1989
PDF: 5 pages
Proc. SPIE 0986, Fiber Optic Smart Structures and Skins, (16 January 1989); doi: 10.1117/12.948895
Show Author Affiliations
Mark A. Druy, Foster-Miller, Inc. (United States)
Lucy Elandjian, Foster-Miller, Inc. (United States)
W. A. Stevenson, IRIS Fiber Optics, Inc. (United States)

Published in SPIE Proceedings Vol. 0986:
Fiber Optic Smart Structures and Skins
Eric Udd, Editor(s)

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