Transient-
spectroscopy technique in which the
excited state dynamics is probed
via stimulating the molecular species from the photo-
excited state
(produced by a short pump pulse) back to the
ground state by means of a short
dump pulse at various pump–dump time delays.
Source:
PAC, 2007, 79, 293
(Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006))
on page 434