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Proceedings Paper

Optical fibre Fabry-Pérot sensor stability at high temperatures
Author(s): Dimitrios Polyzos; Jinesh Mathew; William N. MacPherson; Duncan P. Hand; Robert R. J. Maier
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Paper Abstract

In this paper we present long-term stability results for a Fabry-Pérot optical fibre sensor in high temperatures environments. We introduce an intrinsic Fabry-Pérot type of sensor, which its sensing element is made with an undoped pure fused silica cavity. Furthermore, we will present results detailing dopant diffusion from core to cladding of standard optical fibres demonstrating their inherent unsuitability for high temperature environments. Finally, we display the manufacturing technique required to produce this sensor and we present results of 33 days long stability tests conducted at elevated temperatures of more than 900°C.

Paper Details

Date Published: 23 April 2017
PDF: 4 pages
Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103231S (23 April 2017); doi: 10.1117/12.2259998
Show Author Affiliations
Dimitrios Polyzos, Heriot-Watt Univ. (United Kingdom)
Jinesh Mathew, Heriot-Watt Univ. (United Kingdom)
William N. MacPherson, Heriot-Watt Univ. (United Kingdom)
Duncan P. Hand, Heriot-Watt Univ. (United Kingdom)
Robert R. J. Maier, Heriot-Watt Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 10323:
25th International Conference on Optical Fiber Sensors
Youngjoo Chung; Wei Jin; Byoungho Lee; John Canning; Kentaro Nakamura; Libo Yuan, Editor(s)

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