Generation of narrowband elastic waves with a fiber laser and its application to the imaging of defects in a plate.


Pulsed laser equipment can be used to generate elastic waves through the instantaneous reaction of thermal expansion or ablation of the material; however, we cannot control the waveform generated by the laser in the same manner that we can when piezoelectric transducers are used as exciters. This study investigates the generation of narrowband tone-burst… (More)
DOI: 10.1016/j.ultras.2017.01.016