Fig. 1. Schematic of laser ablation

Fig. 2. Three-dimensional morphologies of point texture under different laser energy densities. (a) 54.585 W·mm^-2; (b) 129.922 W·mm^-2; (c) 181.988 W·mm^-2; (d) 207.986 W·mm^-2; (e) 233.985 W·mm^-2; (f) 363.977 W·mm^-2

Fig. 3. Two-dimensional contour diagrams of point texture at center under different laser energy densities

Fig. 4. Point texture diameter and height versus laser energy density

Fig. 5. Error orientation diagrams of point texture ablation morphology under different laser energy densities. (a) 54.585 W·mm^-2; (b) 181.988 W·mm^-2; (c) 233.985 W·mm^-2; (d) 363.977 W·mm^-2

Fig. 6. Two-dimensional contours of point texture under different laser energy densities. (a) 54.585 W·mm^-2; (b) 181.988 W·mm^-2; (c) 233.985 W·mm^-2; (d) 363.977 W·mm^-2

Fig. 7. Diameter errors of point texture morphologies under different laser energy densities

Fig. 8. Height errors of point texture morphologies under different laser energy densities

Fig. 9. Total structural errors of ablation morphologies under different laser energy densities

Fig. 10. Average error versus laser energy density