Table of Contents
Laser Chemistry
Volume 20, Issue 2-4, Pages 123-134

Kinetics of Laser Induced Plasma on an Aqueous Surface

1Laboratoire de Spectroscopie Atomique-moléculaire et Applications, Département de physique-Faculté des Sciences de Tunis, Tunisia
2Laboratoire de Photophysique Moléculaire du CNRS, Bât 210-Université Paris Sud, 91405, France

Received 21 September 2002

Copyright © 2002 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Emission spectra of MgI and MgII from a plasma induced by the interaction of a laser pulse with the surface of aqueous solutions of MgCl2, were recorded by a time resolved spectroscopy method to obtain information on the processes involved in the formation and the evolution of the two different species. A kinetic model based on ion-electron recombination produced during the relaxation of the plasma is constructed with the aim to explain the origin and the temporal shift of observed Mg+ and Mg emissions. Comparison with the experimental results is presented and discussed.