High-temperature optical fiber sensors for characterization of advanced composite aerospace materials

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

doi:10.1117/12.335763

11 January 1999 High-temperature optical fiber sensors for characterization of advanced composite aerospace materials

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

Author Affiliations +

Proceedings Volume 3538, Process Monitoring with Optical Fibers and Harsh Environment Sensors; (1999) https://doi.org/10.1117/12.335763
Event: Photonics East (ISAM, VVDC, IEMB), 1998, Boston, MA, United States

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.

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Thomas A. Wavering, Jonathan A. Greene, Scott A. Meller, Timothy A. Bailey, Carrie L. Kozikowski, Shannon M. Lenahan, Kent A. Murphy, Michael P. Camden, and Larry W. Simmons "High-temperature optical fiber sensors for characterization of advanced composite aerospace materials", Proc. SPIE 3538, Process Monitoring with Optical Fibers and Harsh Environment Sensors, (11 January 1999); https://doi.org/10.1117/12.335763

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