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Common black coatings - reflectance and ageing characteristics in the 0.32-14.3 mu m wavelength range

Dury, 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

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To link to this item DOI: 10.1016/j.optcom.2006.08.038

Abstract/Summary

The 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.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Science > School of Mathematical, Physical and Computational Sciences
ID Code:915
Uncontrolled Keywords:OPTICAL BLACK
Publisher:Elsevier

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