IEVref:845-21-102ID:
Language:enStatus: Standard
Term: luminescent luminance factor, <of a photoluminescent material>
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Symbol: βv,L
Definition: luminance in a given direction that results from emission at the surface of a photoluminescent medium under specified conditions of illumination, compared to the luminance in the same direction by the perfect reflecting diffuser identically illuminated

Note 1 to entry: The luminescent luminance factor depends upon the spectral power distribution of the illumination and this quantity is typically specified for a given CIE illuminant condition.

Note 2 to entry: The luminescent luminance factor has unit one.


Publication date:2020-12
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