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8 September 2010 Strain calibration of optical FBG-based strain sensors
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Proceedings Volume 7653, Fourth European Workshop on Optical Fibre Sensors; 76530F (2010) https://doi.org/10.1117/12.866428
Event: (EWOFS'10) Fourth European Workshop on Optical Fibre Sensors, 2010, Porto, Portugal
Abstract
A facility for strain sensitivity calibration of optical FBG-based strain sensors according to the German VDI/VDE 2660 guideline was established and characterized. Statistical analysis of several calibration measurement series performed with one single type of FBG strain sensor and application technique showed a reproducibility of 0.15%. Strain sensitivities for FBGs inscribed in two different types of optical fibres (GF1B and PR2008) showed significantly different strain sensitivities of k = 0.7885±0.0026 and k = 0.7758±0.0024, respectively.
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Johannes Roths, Andre Wilfert, Peter Kratzer, Florian Jülich, and Rolf Kuttler "Strain calibration of optical FBG-based strain sensors", Proc. SPIE 7653, Fourth European Workshop on Optical Fibre Sensors, 76530F (8 September 2010); https://doi.org/10.1117/12.866428
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