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The e-ILV provides free access to all the terms and definitions contained in the international standard CIE S 017:2020 ILV: International Lighting Vocabulary, 2nd edition.

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17-21-052

spectral radiance

Le,λ, Lλ

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

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).

Note 2 to entry: This entry was numbered 17-1228 in CIE S 017:2011.

Publication date: 2020-12
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