Term frequently and inappropriately applied to resonance energy transfer in the sense of Förster-resonance-energy transfer (
FRET), which
does not involve the emission of radiation.
Source:
PAC, 2007, 79, 293. 'Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)' on page 340 (https://doi.org/10.1351/pac200779030293)