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Long term stability of spectral measurement systems for fiber bragg grating sensors

N. Roussel 1 P. Ferdinand 1 L. Maurin 1
1 LCFO - Laboratoire Capteurs Fibres Optiques
DM2I - Département Métrologie Instrumentation & Information : DRT/LIST/DM2I
Abstract : This paper addresses the metrological stability of spectral measurements performed with a smart FBG sensing instrument. With a sophisticated tracking system based on a real-time drift compensation, we obtained, during 16 days, an unrivalled measurement stability, as low as: 0.0074 fm/h with a standard deviation: 0.032 pm. This level of performance opens the way, not only to high quality metrology, but also to long-term structure monitoring.
Keywords : Drift Spectral measurement Spectral measurement system Standard deviation Convergence of numerical methods Fiber Bragg gratings Fiber optic sensors Measurements Optical resolving power Fiber Bragg Grating Sensors Optical fiber sensor Units of measurement Stability Long term stability Long-term structures
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Conference papers
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https://hal-cea.archives-ouvertes.fr/cea-01823918
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Submitted on : Tuesday, June 26, 2018 - 3:46:52 PM
Last modification on : Tuesday, December 14, 2021 - 3:53:12 AM

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N. Roussel, P. Ferdinand, L. Maurin. Long term stability of spectral measurement systems for fiber bragg grating sensors. Proc. SPIE 8794, Fifth European Workshop on Optical Fibre Sensors, Oct 2013, Wuhan, China. pp.89243E, ⟨10.1117/12.2033932⟩. ⟨cea-01823918⟩

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