Terahertz Wave Approach and Application on FRP Composites

Figure 13

Diagram showing TDS scan images at the angles (θ) of −0°, −45°, 90°, and 0°.

(a) 𝜃=−22.5 °

(b) 𝜃=90 °

(c) 𝜃=67.5 °

(d) 𝜃=45.0 °

(e) 𝜃=22.5 °

(f) 𝜃=0.0 °