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Miniature Fiber-Optic Temperature Sensor with All-Sapphire Structure and Its Field Evaluation

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Abstract

This paper presents a miniature all-sapphire-fiber Fabry-Perot temperature sensor and its evaluation in the exhaust flow of a Honeywell turbofan engine. The sensor demonstrates reliable and fast response as compared to a commercial thermocouple.

© 2020 The Author(s)

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