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2 June 2011 Advanced spectral fiber optic sensor systems and their application in energy facility monitoring
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Various spectral-encoded fiber optic sensor concepts and advanced system solutions for application in energy facility monitoring have been investigated. The technological maturity, high performance and reliability of multiplexed fiber Bragg grating (FBG) sensor arrays and networks for the measurement of temperature, dynamic strain, air flow, and magnetic field distributions in electric power generators increasing their efficiency will be demonstrated by selected examples of field testing under harsh environmental conditions. For high-temperature combustion monitoring in gas turbines, beside silica FBGs with enhanced temperature stability also sapphire FBGs and Fabry-Perot sensors have been tested and evaluated as well as fiber-based black-body thermal radiation sensors. Finally, the potential of FBG sensors for application in cryo-energetic facilities such as super-conductive high-power motors and experimental nuclear fusion reactors will be discussed.
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Reinhardt Willsch, Wolfgang Ecke, Thomas Bosselmann, Michael Willsch, Eric Lindner, and Hartmut Bartelt "Advanced spectral fiber optic sensor systems and their application in energy facility monitoring", Proc. SPIE 8028, Fiber Optic Sensors and Applications VIII, 80280A (2 June 2011); doi: 10.1117/12.887308;


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