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Fig. 5 | PhotoniX

Fig. 5

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

Fig. 5

a Experimentally measured and b theoretically simulated transmittance of sapphire with a smooth surface, antireflection (AR) structures on one side and AR structures on both sides. c Transmittance of the biomimetic sapphire surface with AR structures on both sides related to the incident angle. d The relationship of transmittance of the AR structures and the incident angle, the wavelength is fixed at 4 μm. e The schematic illustration for the measurement and simulation of the transmittance with different incident angles. f Theoretically simulated transmittance and reflectance of the AR structures on both sides related to the incident angle, the wavelength is fixed at 4 μm

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