Spectrally encoded optical fiber sensor systems and their application in process control, environmental and structural monitoring

Reinhardt Willsch; Wolfgang Ecke; Gunter Schwotzer

doi:10.1117/12.619430

24 September 2005 Spectrally encoded optical fibre sensor systems and their application in process control, environmental and structural monitoring

Reinhardt Willsch, Wolfgang Ecke, Gunter Schwotzer

Author Affiliations +

Proceedings Volume 5952, Optical Fibers: Applications; 59520I (2005) https://doi.org/10.1117/12.619430
Event: Congress on Optics and Optoelectronics, 2005, Warsaw, Poland

Abstract

Different types of advanced optical fibre sensor systems using similar spectral interrogation principles and potential low-cost polychromator optoelectronic signal processing instrumentation will be presented, and examples of their industrial application are demonstrated. These are such sensors as multimode fibre based humidity, temperature, and pressure sensors with extrinsic microoptical Fabry-Perot transducers for process control in gas industry, UV absorption evanescent field sensors for organic pollution monitoring in groundwater, and single mode fibre Bragg grating (FBG) multiplexed strain & vibration and temperature sensor networks for structural health monitoring applications in electric power facilities, aerospace, railways, geotechnical and civil engineering. Recent results of current investigations applying FBGs and microstructured fibres for chemical sensing will be discussed.

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Reinhardt Willsch, Wolfgang Ecke, and Gunter Schwotzer "Spectrally encoded optical fibre sensor systems and their application in process control, environmental and structural monitoring", Proc. SPIE 5952, Optical Fibers: Applications, 59520I (24 September 2005); https://doi.org/10.1117/12.619430

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