An FBG-Based Impact Event Detection System for Structural Health Monitoring

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="253274.fig.002a" src="https://static.hindawi.com/articles/ace/volume-2010/253274/figures/253274.fig.002a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>ASE light source scheme</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="253274.fig.002b" src="https://static.hindawi.com/articles/ace/volume-2010/253274/figures/253274.fig.002b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Laser ring scheme</td></tr></table></td></tr></table>

<table>Two interrogation schemes used to demodulate the wavelength variations in the sensing FBG.</table>

Advances in Civil Engineering

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Figure 2

Figure 2: An FBG-Based Impact Event Detection System for Structural Health Monitoring 