Visualization 1: Acoustic emission sensor system using a chirped fiber-Bragg-grating Fabry–Perot interferometer and smart feedback control

Response of fiber-optic sensor system (yellow waveform on the oscilloscope) and the reference AE sensor system (purple waveform on the oscilloscope) when a 10 Hz dynamic background strain was applied on the fiber-optic sensor. Originally published in Optics Letters on 01 February 2017 (ol-42-3-631)