Fig. 4From: Recent developments in photoacoustic imaging and sensing for nondestructive testing and evaluationOne representative application of composite using PA technologies for NDT/E: Detection of damage in CFRP composites [9]. (a):Â Illustrative image of grid pattern; (b):Â B-scan images; and (c):Â C-scan image (bottom). The B-scan images are along the white lines in the C-scan imageBack to article page