Fig. 1. Laser damage threshold test platform

Fig. 2. Magnetorheological repair damage

Fig. 3. Hardware structure diagram of multi-mode in-situ detection device

Fig. 4. Principle of Reverse Hartman array splicing measurement

Fig. 5. Magnetorheological damage removal profile

Fig. 6. The overall flow chart of magnetorheological removal of tailing

Fig. 7. Dark field imaging of damage at different repair depths^[21]

Fig. 8. Evolution of damage size and number with repair depth

Fig. 9. Microstructure evolution of damage^[21]

Fig. 10. Damaged section structure curve^[21]

Fig. 11. Damage fluorescence distribution^[21]

Fig. 12. Percentage of damaged fluorescence area

Fig. 13. Peak value of damage absorption

Fig. 14. Average value of damage absorption

Fig. 15. Damage laser confocal imaging

Fig. 16. Three-dimensional measurement of damage

Fig. 17. Transverse size and depth evolution curve of damage

Fig. 18. Evolution curve of absorptivity with irradiation time