23 April 2017 Optical fibre Fabry-Pérot sensor stability at high temperatures
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Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 103231S (2017); doi: 10.1117/12.2259998
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of
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.
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Dimitrios Polyzos, Jinesh Mathew, William N. MacPherson, Duncan P. Hand, Robert R. J. Maier, "Optical fibre Fabry-Pérot sensor stability at high temperatures", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103231S (23 April 2017); doi: 10.1117/12.2259998; https://doi.org/10.1117/12.2259998
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