Affiliation:
1. Photonics Engineering Group, TEISA Department, University of Cantabria, Spain
Abstract
A technique to enhance the spatial resolution of typical fiber Bragg grating–based strain gauges has been experimentally verified in this study. Just analyzing the intensity of the reflection spectrum of a sampled fiber Bragg grating, its inner deformation profile has been obtained with a spatial resolution of [Formula: see text] L<1mm. The proposed method employs a synthesis algorithm to retrieve the longitudinal axis strain profile of a sampled fiber Bragg grating glued to an asymmetric plate. The achieved experimental results have been compared to the mechanical simulations of the employed plate, exhibiting a good response even without compensating the residual stress provoked during the installation process.
Subject
Applied Mathematics,Mechanical Engineering,Mechanics of Materials,Modeling and Simulation
Cited by
1 articles.
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