Fig. 1: Polarization-independent Surface Nanostructuring. | Light: Science & Applications

Fig. 1: Polarization-independent Surface Nanostructuring.

From: Polarization-independent surface nanostructuring by femtosecond laser irradiation via microsphere in far field and ambient air

Fig. 1

a Schematic of polarization-independent nanostructuring in far field via microsphere by MHz femtosecond laser irradiation. b SEM and c AFM images of polarization-independent nano-lines created at a laser fluence of 0.14 mJ cm⁻² and a scanning speed of 150 μm s⁻¹. d Corresponding cross-sectional profiles obtained by AFM measurement

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