Time duration of laser pulses.
Note:
Pulse duration depends on the laser system used and can vary between hundreds of femtoseconds to a few nanoseconds.
Source:
PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 730 (https://doi.org/10.1515/pac-2019-0203)