3D-Printing Techniques on the Development of Multiparameter Sensors Using One FBG

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ID: 37862
2019
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Abstract
We report the development of a fiber Bragg grating (FBG) sensor for multiparameter sensing using only one FBG. The FBG was half-embedded in a 3D-printed structure, which resulted in a division of the grating spectrum creating two peaks with different sensitivities with respect to different physical parameters. A numerical analysis of the proposed technique was performed using the coupled-mode theory with modified transfer matrix formulation. Then, experimental analyses were performed as function of temperature, strain and force, where the peaks showed different sensitivities in all analyzed cases. Such results enable the application of a technique for simultaneous measurement of multiple physical parameters using both peaks and the full width half maximum of the FBG embedded in a 3D structure. In the simultaneous multiparameter assessment, the proposed sensor system was able to estimate the three tested parameters (strain, temperature and force) with relative errors as low as 4%.
Reference Key
lealjunior20193dprintingsensors Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Leal-Junior, Arnaldo G.;Díaz, Camilo;Marques, Carlos;Frizera, Anselmo;Pontes, Maria José;
Journal sensors
Year 2019
DOI
DOI not found
URL
https://www.mdpi.com/1424-8220/19/16/3514
Keywords Keywords not found

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