Lamp spectrum and spatial brightness at photopic levels: A basis for developing a metric

Steve Fotios, Deniz Atli, Chris Cheal, Kevin Houser, Ásta Logadóttir

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

12 Citationer (Scopus)

Abstrakt

Light sources are available in a variety of spectral power distributions (SPDs) and this affects spatial brightness in a manner not predicted by quantities such as illuminance. Tuning light source SPD to better match the sensitivity of visual perception may allow the same spatial brightness but at lower illuminance with potential reductions in energy consumption. Consideration of experimental design was used to review 70 studies of spatial brightness. Of these, the 19 studies considered to provide credible evidence of SPD effects were used to explore metrics for predicting the effect of SPD but did not provide conclusive evidence of a suitable metric, in part because of incomplete reporting of SPD characteristics. For future work, these data provide an independent database for validating proposed metrics.
OriginalsprogEngelsk
TidsskriftLighting Research and Technology
Vol/bind47
Udgave nummer1
Sider (fra-til)80-102
Antal sider23
ISSN1477-1535
DOI
StatusUdgivet - 2015

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