Fig. 2: The microstructure and optical properties of Al2O3–HfO2 nanolaminate, Al2O3 and HfO2 single layer coatings. | Light: Science & Applications

Fig. 2: The microstructure and optical properties of Al2O3–HfO2 nanolaminate, Al2O3 and HfO2 single layer coatings.

From: Nanolaminate-based design for UV laser mirror coatings

Fig. 2

a Al2O3 and HfO2 content as a function of physical thickness in a nanolaminate coating. b XRD spectra and c transmittance of an Al2O3 single layer, an HfO2 single layer and an Al2O3–HfO2 nanolaminate coating with physical thicknesses of 513.8 nm, 540.7 nm, and 444.1 nm, respectively. The inset shows the corresponding refractive indices

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