Fig. 4: Comparison of Nanostructures Formed in Ablation and Molten States. | Light: Science & Applications

Fig. 4: Comparison of Nanostructures Formed in Ablation and Molten States.

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

Fig. 4

a SEM image of discontinuous ablated nano-holes formed in Sb2S3 films at a laser fluence of 0.22 mJ cm⁻² and a scanning speed of 150 μm s⁻¹ in the ablation state. b SEM image of polarization independent nano-lines created at a laser fluence of 0.18 mJ cm⁻² and a scanning speed of 150 μm s⁻¹ in molten state. c Corresponding cross-sectional profiles of regions A and B obtained by AFM measurement

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