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Proceedings Paper

High-temperature optical fiber sensors for characterization of advanced composite aerospace materials
Author(s): Thomas A. Wavering; Jonathan A. Greene; Scott A. Meller; Timothy A. Bailey; Carrie L. Kozikowski; Shannon M. Lenahan; Kent A. Murphy; Michael P. Camden; Larry W. Simmons
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Paper Abstract

Optical fiber sensors have numerous advantages over conventional sensing technologies. One such advantage is that optical fiber sensors can operate in high temperature environments. While most conventional electrical-based sensors do not operate reliably over 300 degrees C, fused silica based optical fiber sensors can survive up to 900 degrees C, and sapphire based optical fiber sensors can survive up to 2000 degrees C. Using both fused silica and sapphire technologies, we present result for high temperature strain, pressure, and temperature sensors using Extrinsic Fabry-Perot INterferometric-based and Bragg grating sensors. High temperature strain and temperature sensors were used to conduct fatigue testing of composite coupons at 600 degrees C. The results from these specific high temperature applications are presented along with future applications and directions for these sensors.

Paper Details

Date Published: 11 January 1999
PDF: 6 pages
Proc. SPIE 3538, Process Monitoring with Optical Fibers and Harsh Environment Sensors, (11 January 1999); doi: 10.1117/12.335763
Show Author Affiliations
Thomas A. Wavering, F&S, Inc. (United States)
Jonathan A. Greene, F&S, Inc. (United States)
Scott A. Meller, F&S, Inc. (United States)
Timothy A. Bailey, F&S, Inc. (United States)
Carrie L. Kozikowski, F&S, Inc. (United States)
Shannon M. Lenahan, F&S, Inc. (United States)
Kent A. Murphy, F&S, Inc. (United States)
Michael P. Camden, Air Force Research Lab. (United States)
Larry W. Simmons, Air Force Research Lab. (United States)


Published in SPIE Proceedings Vol. 3538:
Process Monitoring with Optical Fibers and Harsh Environment Sensors
Michael A. Marcus; Michael A. Marcus; Anbo Wang, Editor(s)

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