Progress in the application of exposed core, optical fibre sensors for detecting and monitoring surface crystallization processes

Martijn Boerkamp; David W. Lamb; Peter Lye

doi:10.1117/12.797583

27 September 2008 Progress in the application of exposed core, optical fibre sensors for detecting and monitoring surface crystallization processes

Martijn Boerkamp, David W. Lamb, Peter Lye

Author Affiliations +

Proceedings Volume 7100, Optical Design and Engineering III; 71002G (2008) https://doi.org/10.1117/12.797583
Event: Optical Systems Design, 2008, Glasgow, Scotland, United Kingdom

Abstract

Intrinsic Exposed Core Optical Fibre Sensors (IECOFS) based on step-index, silica fibres have been used to monitor surface crystallization processes. When applied to scale (CaCO₃) detection, the sensor is fully recoverable; requiring only immersion in a solution of dilute HCl. Unlike conventional scale sensors, the IECOFS responds only to heterogenous (surface) crystal growth and the optical response correlates to several crystal growth processes, offering a tool for monitoring surface crystal growth kinetics. Kinetic parameters extracted from the IECOFS response profiles are similar to those obtained from surface crystal growth on stainless steel surfaces indicating the potential for IECOFS as a sensor of scale formation in industrial processes.

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Martijn Boerkamp, David W. Lamb, and Peter Lye "Progress in the application of exposed core, optical fibre sensors for detecting and monitoring surface crystallization processes", Proc. SPIE 7100, Optical Design and Engineering III, 71002G (27 September 2008); https://doi.org/10.1117/12.797583

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