| LIPSS | Laser-Induced Periodic Surface Structures |
| HSFL | High Spatial Frequency LIPSS |
| SEM | Scanning Electron Microscopy |
| AFM | Atomic Force Microscopy |
| Ra | Arithmetic Roughness |
| Rath | Arithmetic Roughness Threshold |
| Ku | Kurtosis |
| Prandtl Number | |
| Critical Prandtl Number | |
| Number of Double-Pulses Sequences | |
| Time-Delay Between the Double-Pulses |