Common black coatings - reflectance and ageing characteristics in the 0.32-14.3 mu m wavelength rangeDury, M. R., Theocharous, T., Harrison, N., Fox, N. and Hilton, M. (2007) Common black coatings - reflectance and ageing characteristics in the 0.32-14.3 mu m wavelength range. Optics Communications, 270 (2). pp. 262-272. ISSN 0030-4018 Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1016/j.optcom.2006.08.038 Abstract/SummaryThe diffuse and regular reflectances of five optically absorbing coatings frequently used in optical systems, were measured over the 0.32-14.3 mu m wavelength range, before and after exposure to heat and intense optical radiation. The measured coatings included Nextel Velvet Black, an anodised coating and NPL Super Black. The anodised coating exhibited substantial variations in its diffuse and regular reflectance values after thermal and simulated solar ageing. Solar and thermal ageing of the Nextel Velvet Black resulted in increases of its reflectance. However, thermal ageing tended to decrease the reflectance of the other paint samples examined. Thermal and solar ageing of the NPL Super Black resulted in only minor changes in its reflectance characteristics. All measurements are traceable to the UK National Standards.
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