CIE 192:2010

$46.15

Practical Daylight Sources for Colorimetry

Published By	Publication Date	Number of Pages
CIE	2010-12-01	41

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Description

This publication discusses the state-of-the-art of practical daylight sources for colorimetry. It provides information on these lamps and devices used for illumination in the visual evaluation and instrumental measurement of non-fluorescent and fluorescent specimens.

Suppliers of lamps, booths and spectrophotometers provided some of the data on daylight sources. TC members and advisors at four institutions measured the rest. These institutions are the University of Derby (UK), the Hong Kong Polytechnic University (Hong Kong, China), the University of Pannonia (Veszprem, Hungary) and SENAI/CETIQT (Rio de Janeiro, Brazil).

The report concludes from these data that practical daylight sources are commercially available that satisfy the criteria of the relevant national and international standards for both visual evaluation and instrumental measurement. Filtered tungsten, filtered xenon and fluorescent lamps currently provide the best results for visual evaluation. Pulsed filtered xenon provides the best results for instrumental measurements. Light-emitting diode (LED) sources may appear as viable alternatives for both applications in the not too distant future.

Standardization of any particular source as "best representing daylight" is not recommended. There are significant differences between the spectral properties of the sources currently used in visual evaluation and the sources used in instrumental measurement. These differences produce large differences in the rendering of colours of specimens, especially fluorescent specimens.

Additional information

Published Code	CIE
Published By	International Commission on Illumination
Publication Date	2010-12-01
Pages Count	41
Language	English
Descriptors	Colorimetry, Colour vision
File Size	737.3 KB
ISBN	9783901906909

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CIE 192:2010

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