Stokes type radiation

https://doi.org/10.1351/goldbook.S06032
Fluorescence
radiation occurring at wavelengths longer than absorption, i.e. the normal case, is said to be of the
Stokes
type.
Source:
PAC, 1984, 56, 231. (Nomenclature, symbols, units and their usage in spectrochemical analysis-Part VI: molecular luminescence spectroscopy) on page 236 [Terms] [Paper]