cie

17-21-079

photon cylindrical exposure

Hp,c; Hc

time integral of the photon cylindrical irradiance, Ep,c, at a given point for a given direction, over a given duration, Δt

Note 1 to entry: The photon cylindrical exposure is expressed in metre to the power minus two (m−2).

Note 2 to entry: This entry was numbered 17-920 in CIE S 017:2011.

Publication date: 2020-12
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