pump-probe spectroscopy pump–repump–probe spectroscopy pump-pump-probe spectroscopy pump-repump-probe (PREP) spectroscopy 2009-09-23T03:18:09Z PrPP spectroscopy two pump-probe spectroscopy pump–repump–probe (PrPP) spectroscopy two pump and probe spectroscopy pump-repump-probe spectroscopy https://orcid.org/0000-0001-5985-7429 pump–pump–probe spectroscopy Spectroscopy where the sample is illuminated with an initial laser pulse (the 'pump') followed by a second pump laser pulse, and finally a third laser pulse (the 'probe') after a short delay. The two pump pulses create excitations in the sample, which are sensed by the probe pulse. double-pump pump-probe spectroscopy PREP spectroscopy pump–repump–probe (PREP) spectroscopy pump re-pump probe spectroscopy two pump–probe spectroscopy CHMO:0002447 double-pump pump–probe spectroscopy pump repump probe spectroscopy pump-repump-probe (PrPP) spectroscopy