Paper Title:

Optical Fibres for Distributed Corrosion Sensing - Architecture and Characterisation

Periodical Key Engineering Materials (Volume 558)
Main Theme Structural Health Monitoring: Research and Applications
Edited by W.K. Chiu and S.C. Galea
Pages 522-533
DOI 10.4028/
Citation Roman Kostecki et al., 2013, Key Engineering Materials, 558, 522
Online since June, 2013
Authors Roman Kostecki, Heike Ebendorff-Heidepriem, Stephen C. Warren-Smith, Grant McAdam, Claire Davis, Tanya M. Monro
Keywords Corrosion, Microstructured Optical Fibres, Sensing
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This paper summarises recent work conducted on the development of exposed core microstructured optical fibres for distributed corrosion sensing. Most recently, exposed-core fibres have been fabricated in silica glass, which is known to be reliable under a range of processing and service environments. We characterise the stability of these new silica fibres when exposed to some typical sensing and storage environments. We show the background loss to be the best achieved to date for exposed-core fibres, while the transmission properties are up to ~2 orders of magnitude better than for the previously reported exposed-core fibres produced in soft glass. This provides a more robust fibre platform for corrosion sensing conditions and opens up new opportunities for distributed optical fibre sensors requiring long-term application in harsh environments.

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