# 17-24-063

Lambertian surface

ideal surface for which the radiation coming from that surface is distributed angularly according to Lambert's cosine law

Note 1 to entry: For a Lambertian surface, M = π L where M is the radiant exitance or luminous exitance, and L the radiance or luminance.

Note 2 to entry: This entry was numbered 845-04-57 in IEC 60050-845:1987.

Note 3 to entry: This entry was numbered 17-633 in CIE S 017:2011.

Publication date: 2020-12