| Number of pulses | Laser fluencies (J/cm2) | Ra (nm) | Rq (nm) |
| 0 (Reference) | 0 | 106 | 132 |
| 2 | 0.19 | 171 | 294 |
| 5 | 0.475 | 301 | 436 |
| 10 | 0.95 | 260 | 350 |
| 20 | 1.9 | 192 | 271 |