Time resolved transient absorption probing of a laser plasma

The described experimental setup allows the kinetic analysis of a pulsed-laser generated gas-plasma by transient visible absorption spectroscopy at a time resolution of 10 ns and a spectral resolution of 0.3 cm -1. Absorption from the first-4s level manifold towards the 5p level manifold of the argon atom is reported in the spectral range around 420 nm. An example of time dependence is given for the 4s[3/2] 2 level population.License CC-BY-NC-ND. --------- French law about open access and open science: https://www.legifrance.gouv.fr/affichTexte.do?cidTexte=JORFTEXT000033202746&categorieLien=id ----------------------- LOI n° 2016-1321 du 7 octobre 2016 pour une République numérique - Article 30