22 July 2003 Flight demonstration of fiber optic sensors
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Abstract
Luna Innovations has developed a prototype 8-channel fiber optic sensor system to demonstrate fiber optic sensor operation in flight environments. As an intial flight demonstration, long period grating (LPG) relative humidity sensors along with extrinsic Fabry-Perot interferometric (EFPI) pressure and temperature sensors were installed in an aging Delta 767-300ER jet. The fiber optic signal-conditioning system is a multi-purpose platform that can also be used to operate other types of fiber optic LPG and EFPI sensors, including strain gages, metal-ion corrosion sensors, and fiber Bragg grating (FBG) sensors. The system configuration and operation is described.
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Jennifer L. Elster, Angela Trego, Charles Catterall, Josh Averett, Mark E. Jones, Mishell K. Evans, Bob Fielder, "Flight demonstration of fiber optic sensors", Proc. SPIE 5050, Smart Structures and Materials 2003: Smart Sensor Technology and Measurement Systems, (22 July 2003); doi: 10.1117/12.484245; https://doi.org/10.1117/12.484245
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