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Proceedings Paper

Dynamics of solvated electrons in polar liquids using 2-eV femtosecond laser pulses
Author(s): Daniel Houde; Claude Pepin; T. Goulet; J.-P. Jay-Gerin
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Paper Abstract

The multiphoton ionization of liquid water and methanol and the dynamics of electron solvation in those media are studied with femtosecond time-resolved spectroscopy using a 2- eV laser light pump beam. The formation of the solvated electron in methanol is probed for the first time with femtosecond time resolution. The absorbance A is measured as function of the laser irradiance E for both water and methanol. The power law A varies direct as Ex obtained for water (x equals 1.8) and for methanol (x equals 1.9) differs markedly from that expected from energetic considerations. This is explained in terms of a resonant contribution of intermediate electronic states in the multiphotonic ionization.

Paper Details

Date Published: 5 January 1994
PDF: 14 pages
Proc. SPIE 2041, Mode-locked and Other Ultrashort Laser Designs, Amplifiers, and Applications, (5 January 1994); doi: 10.1117/12.165606
Show Author Affiliations
Daniel Houde, Univ. de Sherbrooke (Canada)
Claude Pepin, Univ. de Sherbrooke (Canada)
T. Goulet, Univ. de Sherbrooke (Canada)
J.-P. Jay-Gerin, Univ. de Sherbrooke (Canada)

Published in SPIE Proceedings Vol. 2041:
Mode-locked and Other Ultrashort Laser Designs, Amplifiers, and Applications
Michel Piche; Paul W. Pace, Editor(s)

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