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Area Lighting / Radiation, quantities and units

IEV ref 845-21-052

Symbol
Le,λ
Lλ

en
spectral radiance
density of radiance, Le(λ), with respect to wavelength, λ

L e,λ = d L e (λ) dλ MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdh9vqqj=hEeea0xXdbb a9frFj0=OqFfea0dXdd9vqaq=JfrVkFHe9pgea0dXdar=Jb9hs0dXd bPYxe9vr0=vr0=vqpWqaaeaaciWacmGadaGadeaaeaGaauaaaOqaai aadYeadaWgaaWcbaGaaeyzaiaacYcacqaH7oaBaeqaaOGaeyypa0Za aSaaaeaacaGGKbGaamitamaaBaaaleaacaqGLbaabeaakiaacIcacq aH7oaBcaGGPaaabaGaaiizaiabeU7aSbaaaaa@4502@

Note 1 to entry: The spectral radiance is expressed in watt per square metre per nanometre per steradian (W·m−2·nm−1·sr−1).


fr
luminance spectrale, f
densité de luminance énergétique, Le(λ), par rapport à la longueur d'onde, λ

L e,λ = d L e (λ) dλ MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdh9vqqj=hEeea0xXdbb a9frFj0=OqFfea0dXdd9vqaq=JfrVkFHe9pgea0dXdar=Jb9hs0dXd bPYxe9vr0=vr0=vqpWqaaeaaciWacmGadaGadeaaeaGaauaaaOqaai aadYeadaWgaaWcbaGaaeyzaiaacYcacqaH7oaBaeqaaOGaeyypa0Za aSaaaeaacaGGKbGaamitamaaBaaaleaacaqGLbaabeaakiaacIcacq aH7oaBcaGGPaaabaGaaiizaiabeU7aSbaaaaa@4502@

Note 1 à l'article: La luminance spectrale est exprimée en watt par mètre carré par nanomètre par stéradian (W·m−2·nm−1·sr−1).


ar
إشعاع طيفى

de
spektrale Strahldichte, f

it
radianza spettrale

ko
분광 휘도

ja
分光放射輝度

pl
luminancja widmowa, f

pt
radiância espectral
luminância espectral energética

zh
光谱辐射亮度

Publication date: 2020-12
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