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Proceedings Paper

Nonlinear optical techniques applied to process plasmas
Author(s): M. Baeva; J. Ehlbeck; A. Pott; T. Repsilber; Juergen Uhlenbusch
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Paper Abstract

Non-linear optical techniques as Coherent Anti-Stokes Raman Scattering (CARS), Two-Photon-Allowed-Laser-Induced Fluorescence (TALIF) and Laser-Induced Photodetachment (LIP) are very successful tools to diagnose process plasmas. They mainly deliver detailed information concerning the population densities of excited states of molecular, atomic and ionic species. Therefore, they are very helpful to appraise the deviations from the equilibrium state, to elucidate the significance of processes and to validate the results of plasma modeling. The diagnostic methods mentioned are utilized to investigate several basic and applied problems in the medium and high pressure range as cw CO2 gas laser plasmas, cw and pulsed microwave discharges for exhaust gas purification, and microwave generated plasmas as test bed for non-linear laser-aided experiments.

Paper Details

Date Published: 19 March 2002
PDF: 10 pages
Proc. SPIE 4460, Selected Research Papers on Spectroscopy of Nonequilibrium Plasma at Elevated Pressures, (19 March 2002); doi: 10.1117/12.459392
Show Author Affiliations
M. Baeva, Heinrich-Heine-Univ. Dusseldorf (Germany)
J. Ehlbeck, Institute fuer Niedertemperatur-Plasmaphysik (Germany)
A. Pott, Heinrich-Heine-Univ. Dusseldorf (Germany)
T. Repsilber, Heinrich-Heine-Univ. Dusseldorf (Germany)
Juergen Uhlenbusch, Heinrich-Heine-Univ. Dusseldorf (Germany)

Published in SPIE Proceedings Vol. 4460:
Selected Research Papers on Spectroscopy of Nonequilibrium Plasma at Elevated Pressures
Vladimir N. Ochkin, Editor(s)

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