Fig. 3
Left: laser confocal 3D images, middle: SEM images (S1–S4 20 μm scale bar, LIPSS 2 μm scale bar), and right: SEM images (S1–S4 5 μm scale bar, LIPSS 1 μm scale bar)
Left: laser confocal 3D images, middle: SEM images (S1–S4 20 μm scale bar, LIPSS 2 μm scale bar), and right: SEM images (S1–S4 5 μm scale bar, LIPSS 1 μm scale bar)
