High-Temperature Fiber Optic Pressure Sensor

Robert J. Ferina Jr.; Valentinas Sernas; Constantine Polymeropoulos; George H. Sigel, Jr.

doi:10.1117/12.963040

13 February 1990 High-Temperature Fiber Optic Pressure Sensor

Robert J. Ferina Jr., Valentinas Sernas, Constantine Polymeropoulos, George H. Sigel, Jr.

Proceedings Volume 1169, Fiber Optic and Laser Sensors VII; (1990) https://doi.org/10.1117/12.963040
Event: OE/FIBERS '89, 1989, Boston, United States

Abstract

Two versions of a fast-response microbend pressure sensor have been developed for deployment in high temperature environments. Aluminum-coated fiber is used in a drum configuration in the sensors which employ a unique "fingered" flexural diaphragm technique to induce microbend attenuation. A dedicated test facility consisting of a shock tube and customized furnace has been established for high-temperature pressure sensor evaluation. The shock tube delivers reproducible, fast rise-time pressure pulses. Sensor response has been obtained using single mode fiber. The furnace, which has been built around the shock tube, and which maintains a heated environment to 750°C, has not yet been used with the fiber sensors.

Citation Download Citation

Robert J. Ferina Jr., Valentinas Sernas, Constantine Polymeropoulos, and George H. Sigel, Jr. "High-Temperature Fiber Optic Pressure Sensor", Proc. SPIE 1169, Fiber Optic and Laser Sensors VII, (13 February 1990); https://doi.org/10.1117/12.963040

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