07487 IUPAC Gold Book - transient-stimulated emission pumping 10.1351/goldbook.TT07487 TT07487 current initialism: TSEP 1 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. excited state https://goldbook.iupac.org//terms/view/E02257 ground state https://goldbook.iupac.org//terms/view/G02704 spectroscopy https://goldbook.iupac.org//terms/view/S05848 PAC, 2007, 79, 293. 'Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)' on page 434 (https://doi.org/10.1351/pac200779030293) https://goldbook.iupac.org/terms/view/TT07487/html https://goldbook.iupac.org/terms/view/TT07487/json https://goldbook.iupac.org/terms/view/TT07487/plain Citation: 'transient-stimulated emission pumping' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.TT07487 The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using. 2026-05-09T09:28:41+00:00