Fotios, Steve and Atli, Deniz and Cheal, Chris and Houser, Kevin and Logadóttir, Ásta A Review of Lamp Spectrum and Spatial Brightness. In: Predicting Perceptions: Proceedings of the 3rd International Conference on Appearance. Lulu Press, Edinburgh UK, pp. 169-171. ISBN 978-1-4716-6869-2
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Light sources are available with a wide variety of spectral power distributions (SPD), which are defined by the relative amounts of optical radiation versus wavelength, within the visible range of approximately 380–780 nm. Previous work has demonstrated that SPD influences perceived brightness of room interiors (or, spatial brightness) in a manner that is not predicted by photometric quantities that are derived from the Standard Photopic Observer. The ability to change the impression of spatial brightness through careful variation of lamp spectrum provides a route to acceptable reduced illuminances in offices  and thus potentially to energy savings, but we are not yet able to identify the spectral characteristic that best correlate with impressions of spatial brightness. Over 70 past studies of SPD and spatial brightness have been reviewed with the objectives of firstly identifying studies that give reliable evidence of the effect and secondly identifying the trends found.
|Item Type:||Book Section|
|Depositing User:||Dr Stefano Padilla|
|Date Deposited:||07 May 2012 14:10|
|Last Modified:||08 May 2012 12:37|
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