Ultrafast Science / 2022 / Article / Fig 4

Review Article

Nature-Inspired Superwettability Achieved by Femtosecond Lasers

Figure 4

Schematic of the laser processing system. (a) Using an objective lens to focus the laser beam. (b) Using a plane-convex lens to focus the laser beam. (c) The line-by-line laser scanning manner. (d) The interaction between femtosecond laser and solid substrate. Reproduced from [89, 90, 93] with the permission.