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Fig. 4 | PhotoniX

Fig. 4

From: Biomimetic sapphire windows enabled by inside-out femtosecond laser deep-scribing

Fig. 4

a Photograph of the compound eye (moth). b LSCM image and (c) SEM image of the moth eye. The inset of (c) is the high-resolution SEM image of the surface microstructures on the moth eye. d Schematic illustration of the fabrication procedure of an antireflection sapphire surface with sub-wavelength microstructures. e-g SEM images of the sub-wavelength structures on sapphire. h 3D morphology and (i) cross-section profile of the biomimetic sapphire surface with sub-wavelength microstructures

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