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

Paper Details

Date Published: 26 June 2017
PDF: 6 pages
Proc. SPIE 10329, Optical Measurement Systems for Industrial Inspection X, 103292F (26 June 2017); doi: 10.1117/12.2270160
Show Author Affiliations
Vladimir A. Lazarev, Bauman Moscow State Technical Univ. (Russian Federation)
Stanislav O. Leonov, Bauman Moscow State Technical Univ. (Russian Federation)
Mikhail K. Tarabrin, Bauman Moscow State Technical Univ. (Russian Federation)
Valerii E. Karasik, Bauman Moscow State Technical Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 10329:
Optical Measurement Systems for Industrial Inspection X
Peter Lehmann; Wolfgang Osten; Armando Albertazzi Gonçalves, Editor(s)

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