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1 October 1997 Enhanced absorption in very rough overcoated black surfaces
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Abstract
We show how to use dielectric thin films in order to reduce scattering and maximize broad-band absorption in arbitrary rough overcoated black surfaces. A rigorous calculation is developed thanks to an improved differential method, and the results are compared to experiment. Scattering is reduced by a factor 10 (down to 5.10-3), though the starting bare surface is a standard low-cost black paint (5.10-2 scattering). Absorption can therefore be optimized up to 0.995.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Hugues Giovannini and Claude Amra "Enhanced absorption in very rough overcoated black surfaces", Proc. SPIE 3133, Optical Thin Films V: New Developments, (1 October 1997); https://doi.org/10.1117/12.290185
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