Optical fibre Bragg gratings for high temperature sensing

J. Canning; M. Stevenson; K. Cook; M. Aslund; W. Ecke; R. Willsch; H. Bartelt; H. J. Kalinowski; L. Grabarski; V. Oliveira; C. Martelli; A. Braga; N. Groothoff; G.-D. Peng

doi:10.1117/12.834470

5 October 2009 Optical fibre Bragg gratings for high temperature sensing

J. Canning, M. Stevenson, K. Cook, M. Aslund, W. Ecke, R. Willsch, H. Bartelt, H. J. Kalinowski, L. Grabarski, V. Oliveira, C. Martelli, A. Braga, N. Groothoff, G.-D. Peng

Author Affiliations +

Proceedings Volume 7503, 20th International Conference on Optical Fibre Sensors; 75032N (2009) https://doi.org/10.1117/12.834470
Event: 20th International Conference on Optical Fibre Sensors, 2009, Edinburgh, United Kingdom

Abstract

The development of new techniques for writing and tailoring the properties of Bragg gratings has generated a suite of distinct grating types that are optimised for performance within different temperature windows. These cover gratings produced by recipes such as hypersensitisation, thermal processing and single and multiphoton writing. In this paper, we review four types of high temperature gratings that offer comprehensive coverage of temperature space for most applications of interest. Up to 1200°C novel processing methods allow standard silica-based optical fibres to be used. However, beyond these temperatures, optical fibres made from other materials, such as sapphire, need consideration.

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J. Canning, M. Stevenson, K. Cook, M. Aslund, W. Ecke, R. Willsch, H. Bartelt, H. J. Kalinowski, L. Grabarski, V. Oliveira, C. Martelli, A. Braga, N. Groothoff, and G.-D. Peng "Optical fibre Bragg gratings for high temperature sensing", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75032N (5 October 2009); https://doi.org/10.1117/12.834470

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