irradiance, when used in photochemistry, phototherapy and photobiology
Note 1 to entry: When reporting the dose rate the spectral distribution of the optical radiation shall be specified.
Note 2 to entry: The notion of rate applies similarly to actinic dose and effective dose.
Note 3 to entry: The dose rate is expressed in watt per square metre (W·m−2).
Note 4 to entry: This entry was numbered 845-06-25 in IEC 60050-845:1987.
Note 5 to entry: This entry was numbered 17-347 in CIE S 017:2011.