Optical-Based Sensors for Monitoring Corrosion of Reinforcement Rebar via an Etched Cladding Bragg Grating

Optical-Based Sensors for Monitoring Corrosion of Reinforcement Rebar via an Etched Cladding Bragg Grating

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In this paper, we present the development and testing of an optical-based sensor for monitoring the corrosion of reinforcement rebar.The testing was carried out using an 80% etched-cladding Fibre Bragg grating sensor to monitor the production of corrosion waste in a localized region Hockey Protective - Pants - Senior of the rebar.Progression of corrosion can be sensed by observing the reflected wavelength shift of the FBG sensor.With the presence of corrosion, the etched-FBG reflected spectrum was shifted by 1.

0 nm.In addition, with an increase in fringe pattern and continuously, step-like drop in power of the Bragg Crutches - Forearm Support Crutches reflected spectrum was also displayed.