Fig. 1. Schematic diagram of two-dimensional thin layer-base system

Fig. 2. Working mechanism of a two-dimensional laser cleaning simulation model of dynamic energy conservation during the thermal ablation

Fig. 3. Geometry and mesh of a two-dimensional laser cleaning simulation model

Fig. 4. Four kinds of typical cleaning statuses

Fig. 5. Hybrid cleaning statuses

Fig. 6. Effect of （a） P_A, （b） D, （c） V_scan change on cleaning effect

Fig. 7. Effect of E_XS change on cleaning effect

Fig. 8. Relationship betweenD_Zand D

Fig. 9. Cleaning results for uneven surface by multiple scannings. （a） Before scanning; （b） After scanning 1; （c） After scanning 2; （d） After scanning 3

Fig. 10. W_m, W_RMS, B_MAX versus each scanning of uneven surface