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Proceedings Paper

High-Temperature Fiber Optic Pressure Sensor
Author(s): Robert J. Ferina; Valentinas Sernas; Constantine Polymeropoulos; George H. Sigel,
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Paper 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.

Paper Details

Date Published: 13 February 1990
PDF: 5 pages
Proc. SPIE 1169, Fiber Optic and Laser Sensors VII, (13 February 1990); doi: 10.1117/12.963040
Show Author Affiliations
Robert J. Ferina, Rutgers University (United States)
Valentinas Sernas, Rutgers University (United States)
Constantine Polymeropoulos, Rutgers University (United States)
George H. Sigel,, Rutgers University (United States)

Published in SPIE Proceedings Vol. 1169:
Fiber Optic and Laser Sensors VII
Ramon P. DePaula; Eric Udd, Editor(s)

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