Fiber Bragg gratings strain measuring system and a sensor calibration setup based on mechanical nanomotion transducer

Vladimir A. Lazarev; Stanislav O. Leonov; Mikhail K. Tarabrin; Valerii E. Karasik

doi:10.1117/12.2270160

26 June 2017 Fiber Bragg gratings strain measuring system and a sensor calibration setup based on mechanical nanomotion transducer

Vladimir A. Lazarev, Stanislav O. Leonov, Mikhail K. Tarabrin, Valerii E. Karasik

Author Affiliations +

Proceedings Volume 10329, Optical Measurement Systems for Industrial Inspection X; 103292F (2017) https://doi.org/10.1117/12.2270160
Event: SPIE Optical Metrology, 2017, Munich, Germany

Abstract

Fiber Bragg grating (FBG) strain sensors are powerful tools for structural health monitoring applications. However, FBG sensor fabrication and packaging processes can lead to a non-linear behavior, that affects the accuracy of the strain measurements. Here we present a novel nondestructive calibration technique for FBG strain sensors that use a mechanical nanomotion transducer. A customized calibration setup was designed based on dovetail-type slideways that were mechanized using a stepping motor. The performance of the FBG strain sensor was investigated through analysis of experimental data, and the calibration curves for the FBG strain sensor are presented.

Citation Download Citation

Vladimir A. Lazarev, Stanislav O. Leonov, Mikhail K. Tarabrin, and Valerii E. Karasik "Fiber Bragg gratings strain measuring system and a sensor calibration setup based on mechanical nanomotion transducer", Proc. SPIE 10329, Optical Measurement Systems for Industrial Inspection X, 103292F (26 June 2017); https://doi.org/10.1117/12.2270160

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