563962.fig.008a
(a) T-ray A-scan
563962.fig.008b
(b) 43–69 ps
563962.fig.008c
(c) 47–69 ps
563962.fig.008d
(d) 56–69 ps
Figure 8: Time-domain TDS waveform of glass composite laminate (a) and impact delamination images using different time gates (from left: (b) 43–69 ps, (c) 47–69 ps, and (d) 56–69 ps).