Demonstration of optical fiber probes for high bandwidth thermal measurements in turbomachinery

Steve Kidd; James S. Barton; Julian D C Jones

doi:10.1109/50.400679

Demonstration of optical fiber probes for high bandwidth thermal measurements in turbomachinery

Steve Kidd, James S. Barton, Julian D C Jones

School of Engineering & Physical Sciences

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

Interferometric temperature sensors comprising a zinc selenide film on the end of a single-mode optical fiber have been incorporated into rugged probes for measurement of gas temperature fluctuations in aerospace turbomachinery test rigs. Two-wavelength illumination provides signals in quadrature for determination of optical phase change of the signal reflected from the film which is exposed to the gas flow. We present ensemble-averaged results showing 15K amplitude gas temperature fluctuations up to 70 kHz with a resolution of 1K.

Original language	English
Pages (from-to)	1335-1339
Number of pages	5
Journal	Journal of Lightwave Technology
Volume	13
Issue number	7
DOIs	https://doi.org/10.1109/50.400679
Publication status	Published - Jul 1995

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abstract = "Interferometric temperature sensors comprising a zinc selenide film on the end of a single-mode optical fiber have been incorporated into rugged probes for measurement of gas temperature fluctuations in aerospace turbomachinery test rigs. Two-wavelength illumination provides signals in quadrature for determination of optical phase change of the signal reflected from the film which is exposed to the gas flow. We present ensemble-averaged results showing 15K amplitude gas temperature fluctuations up to 70 kHz with a resolution of 1K.",

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Demonstration of optical fiber probes for high bandwidth thermal measurements in turbomachinery

Abstract

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