Outdoor Areas Lighting with LEDs – the Competition Between Scotopic Efficacy and Light Pollution

Irena Fryc , Przemysław Tabaka


In this paper the effect of spectral power distribution SPD of typical outdoor LED lamps on star visibility index SVI was analyzed. For those lamps the nearest color temperature CCT [K] and scotopic efficacy  lm/W] data are also provided. The SVI has been defined as a ratio of its scotopic flux to scotopic flux created by full moon light. The calculations show that there is a strong relation between CCT of LEDs and SVI index. Low CCT of the lamps does not significantly affect their SVI value. Unfortunately, those kind of lamps are less attractive in applications because of their low
Author Irena Fryc (FEE / DEPEPLT)
Irena Fryc,,
- Department of Electrical Power Engineering, Photonics and Lighting Technology
, Przemysław Tabaka
Przemysław Tabaka,,
Journal seriesPhotonics Letters of Poland, ISSN 2080-2242, (N/A 40 pkt)
Issue year2019
Publication size in sheets0.3
ASJC Classification2504 Electronic, Optical and Magnetic Materials
URL http://photonics.pl/PLP/index.php/letters/article/view/11-24/585
Internal identifierROC 19-20
Languageen angielski
Score (nominal)40
Score sourcejournalList
ScoreMinisterial score = 40.0, 17-02-2020, ArticleFromJournal
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2018 = 0.348
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