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Proceedings Paper

Effect of instrument design on diffuse reflectance measurements
Author(s): Helen White; Julie A. F. Taylor
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Paper Abstract

This work forms part of an ongoing investigation to increase understanding of the sources of error associated with the measurement of diffuse reflectance by national reference instruments. Measurements of diffuse reflectance are performed at the National Physical Laboratory (NPL) via two possible routes: gonioreflectometric or integrating sphere based technologies. This work investigated the sources of anomoalies found between reflectance measurements made on different sphere based instruments, by looking at the link between the uniformity of the integrating sphere, employed, and the measured spatial distribution of light reflected from a range of samples. The results were then used to demonstrate the effect of integrating sphere design on the resulting diffuse reflectance measurement, and to comment on possible limitations to the current sphere error correction systems.

Paper Details

Date Published: 6 June 2002
PDF: 4 pages
Proc. SPIE 4421, 9th Congress of the International Colour Association, (6 June 2002); doi: 10.1117/12.464658
Show Author Affiliations
Helen White, National Physical Lab. (United Kingdom)
Julie A. F. Taylor, National Physical Lab. (United Kingdom)


Published in SPIE Proceedings Vol. 4421:
9th Congress of the International Colour Association
Robert Chung; Allan Rodrigues, Editor(s)

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