Non-quarter-wave dielectric mirror prepared by thermal atomic layer deposition

Complex 3D-shaped optics are difficult to coat with conventional technologies. In this research, large top-open optical glass cubes with a 100 mm side length were functionalized to simulate large dome-shaped optics. Antireflection coatings for the visible range (420–670 nm) and for a single wavelength (550 nm) were applied by atomic layer deposition simultaneously on two and six demonstrators, respectively. Reflectance measurements on both the inner and outer glass surfaces confirm a conformal AR coating with a residual reflectance significantly below 0.3% for visible wavelengths and 0.2% for single wavelengths on nearly the entire surface of the cubes.

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Conformal antireflection coatings for optical dome covers by atomic layer deposition

Gerold

Beladiya

Paul

et al. 2023

Appl. Opt.

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Non-quarter-wave dielectric mirror prepared by thermal atomic layer deposition

Cited by 1 publication

References 37 publications

Conformal antireflection coatings for optical dome covers by atomic layer deposition

Conformal antireflection coatings for optical dome covers by atomic layer deposition

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