1 December 1991 Cooperative implementation of a high-temperature acoustic sensor
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Abstract
The current status and results of a cooperative program aimed at the implementation of a high-temperature acoustic/strain sensor onto metallic structures are reported. The sensor systems that are to be implemented under this program will measure thermal expansion, maneuver loads, aircraft buffet, sonic fatigue, and acoustic emissions in environments that approach 1800 F. The discussion covers fiber development, fabrication of an extrinsic Fabry-Perot interferometer acoustic sensor, sensor mounting/integration, and results of an evaluation of the sensor capabilities.
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S. Eric Baldini, Edward Nowakowski, Herb G. Smith, E. Joseph Friebele, Martin A. Putnam, Robert S. Rogowski, Leland D. Melvin, Richard O. Claus, Tuan A. Tran, Milford S. Holben, "Cooperative implementation of a high-temperature acoustic sensor", Proc. SPIE 1588, Fiber Optic Smart Structures and Skins IV, (1 December 1991); doi: 10.1117/12.50171; https://doi.org/10.1117/12.50171
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