Additive manufacturing (AM) is viewed as a revolutionary technique as it offers numerous
appealing capabilities such as complex geometries, functionally graded properties, build-
upon-demand, repairs, etc. However, in order to attain the full potential of AM,
nondestructive testing for quality assurance of AM parts is essential. Laser ultrasound is of
particular interest as a nondestructive technique for AM as it provides a viable means of in-
situ process monitoring that could ultimately provide feedback for process control. Rayleigh …