Fig. 1. Simulation of the irradiance distribution of a single lamp

Fig. 2. Simulation of irradiance distribution of two lamps (spacing 10 cm)

Fig. 3. Simulation of irradiance distribution of two lamps (spacing 4.5 cm)

Fig. 4. Simulation of the irradiance distribution of the lamp array

Fig. 5. Model dimension drawing

Fig. 6. Temperature images at different moments（Single halogen lamp）

Fig. 7. Linear temperature distribution（Single halogen lamp）

Fig. 8. Temperatures at different times at the midpoint of the specimen（Single halogen lamp）

Fig. 9. Temperature images at different moments（Halogen lamp array）

Fig. 10. Line temperature distribution（Halogen lamp array）

Fig. 11. Temperature at different times at the midpoint of the specimen（Halogen lamp array）

Fig. 12. Model dimensions

Fig. 13. Temperature plots of a single halogen lamp as an excitation source at different times

Fig. 14. Halogen lamp array as an excitation source at different time temperature plot

Fig. 15. Standard specimens for internal defects in absorbing CFRP substrates

Fig. 16. A single halogen lamp

Fig. 17. Halogen lamp periodic thermal imaging experimental system

Fig. 18. Algorithm processing result diagram (single lamp excitation source)

Fig. 19. Algorithm processing result diagram (halogen lamp array excitation source)