emission of optical radiation when a substance is exposed to any type of electromagnetic radiation, where the emitted radiation generally appears within 10 ns after the excitation

Note 1 to entry: Fluorescence is due to an "allowed" transition generally from an excited singlet state to a ground singlet state.

Note 2 to entry: This entry was numbered 845-04-20 in IEC 60050-845:1987.

Note 3 to entry: This entry was numbered 17-456 in CIE S 017:2011.

Publication date: 2020-12
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