2023 journal article

Comparison of excitation and kinetic temperatures in a laser-produced plasma using absorption spectroscopy

OPTICS LETTERS, 48(7), 1942–1945.

Source: Web Of Science
Added: May 22, 2023

High-resolution tunable laser absorption spectroscopy is used to measure time-resolved absorption spectra for six neutral uranium transitions in a laser-produced plasma. Analysis of the spectra shows that kinetic temperatures are similar for all six transitions, but excitation temperatures are higher than kinetic temperatures from 10–100 μs, indicating departures from local thermodynamic equilibrium.