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Area Lighting / Radiation, quantities and units

IEV ref845-01-32

Symbol
Ip
I

en
photon intensity (of a source, in a given direction)
quotient of the photon flux dΦp leaving the source and propagated in the element of solid angle dΩ containing the given direction, by the element of solid angle

I p = d Φ p dΩ MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaiqaciWacmGadaGadeaabaGaaqaaaOqaaiaadMeadaWgaaWcbaGaaeiCaaqabaGccqGH9aqpdaWcaaqaaiaabsgacqqHMoGrdaWgaaWcbaGaaeiCaaqabaaakeaacaqGKbGaeuyQdCfaaaaa@3E5C@

unit: s -1 • sr -1


fr
intensité photonique (d'une source, dans une direction donnée) f
quotient du flux photonique dΦp quittant la source et se propageant dans l'élément d'angle solide dΩ contenant la direction donnée, par cet élément d'angle solide

I p = d Φ p dΩ MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaiqaciWacmGadaGadeaabaGaaqaaaOqaaiaadMeadaWgaaWcbaGaaeiCaaqabaGccqGH9aqpdaWcaaqaaiaabsgacqqHMoGrdaWgaaWcbaGaaeiCaaqabaaakeaacaqGKbGaeuyQdCfaaaaa@3E5C@

unité: s -1 • sr -1


ar
شدة الفوتونات (لمصدر ما فى إتجاه معين)

de
Photonenstrahlstärke (einer Strahlungsquelle, in einer gegebenen Richtung), f

es
intensidad fotónica

fi
fotoni-intensiteetti

it
intensità fotonica

ko
광자 강도, 광원

ja
光子強度

no
nb fotonintensitet

nn fotonintensitet

pl
gęstość fotonów (źródła w określonym kierunku)

pt
intensidade fotónica (de uma fonte, numa dada direcção)

sr
јачина фотона , <извора у датом правцу> ж јд

sv
fotonintensitet

Publication date: 1987
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