Fiber Bragg grating sensors in harsh environments: considerations and industrial monitoring applications

Alexis Méndez

doi:10.1117/12.2276584

26 June 2017 Fiber Bragg grating sensors in harsh environments: considerations and industrial monitoring applications

Alexis Méndez

Proceedings Volume 10329, Optical Measurement Systems for Industrial Inspection X; 103291X (2017) https://doi.org/10.1117/12.2276584
Event: SPIE Optical Metrology, 2017, Munich, Germany

Abstract

Over the last few years, fiber optic sensors (FOS) have seen an increased acceptance and widespread use in industrial sensing and in structural monitoring in civil, aerospace, marine, oil & gas, composites and other applications. One of the most prevalent types in use today are fiber Bragg grating (FBG) sensors. Historically, FOS have been an attractive solution because of their EM immunity and suitability for use in harsh environments and rugged applications with extreme temperatures, radiation exposure, EM fields, high voltages, water contact, flammable atmospheres, or other hazards.

FBG sensors have demonstrated that can operate reliably in many different harsh environment applications but proper type and fabrication process are needed, along with suitable packaging and installation procedure. In this paper, we review the impact that external factors and environmental conditions play on FBG’s performance and reliability, and describe the appropriate sensor types and protection requirements suitable for a variety of harsh environment applications in industrial furnaces, cryogenic coolers, nuclear plants, maritime vessels, oil & gas wells, aerospace crafts, automobiles, and others.

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Alexis Méndez "Fiber Bragg grating sensors in harsh environments: considerations and industrial monitoring applications", Proc. SPIE 10329, Optical Measurement Systems for Industrial Inspection X, 103291X (26 June 2017); https://doi.org/10.1117/12.2276584

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KEYWORDS

Sensors

Fiber Bragg gratings

Environmental sensing

Fiber optics sensors

Optical coatings

Optical fibers

Aerospace engineering

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