A microbend pressure sensor for high temperature environments

D. Majercak

doi:10.1117/12.2321913

1 December 1991 A microbend pressure sensor for high temperature environments

D. Majercak

Proceedings Volume 1584, Fiber Optic and Laser Sensors IX; (1991) https://doi.org/10.1117/12.2321913
Event: OE Fiber, 1991, Boston, MA, United States

Abstract

Commercial multimode optical fibers, coated with aluminum, gold, or polyimide were used in a pressure sensor that squeezed the fiber between a serrated disk and a compliant material. The sensor was tested up to 400F, and was found to perform well only in a uniform temperature environment. Differential thennal expansion within the sensor made the sensor unusable in temperature transients. Preliminary tests show that mode stripping before the photo-detector can improve the transient temperature response.

Citation Download Citation

D. Majercak "A microbend pressure sensor for high temperature environments", Proc. SPIE 1584, Fiber Optic and Laser Sensors IX, (1 December 1991); https://doi.org/10.1117/12.2321913

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