Nonlinear optical techniques applied to process plasmas

M. Baeva; J. Ehlbeck; A. Pott; T. Repsilber; Juergen Uhlenbusch

doi:10.1117/12.459392

19 March 2002 Nonlinear optical techniques applied to process plasmas

M. Baeva, J. Ehlbeck, A. Pott, T. Repsilber, Juergen Uhlenbusch

Proceedings Volume 4460, Selected Research Papers on Spectroscopy of Nonequilibrium Plasma at Elevated Pressures; (2002) https://doi.org/10.1117/12.459392
Event: Selected Research Papers on Spectroscopy of Nonequilibrium Plasma at Elevated Pressures, 2002, Moscow, Russian Federation

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.

Citation Download Citation

M. Baeva, J. Ehlbeck, A. Pott, T. Repsilber, and Juergen Uhlenbusch "Nonlinear optical techniques applied to process plasmas", Proc. SPIE 4460, Selected Research Papers on Spectroscopy of Nonequilibrium Plasma at Elevated Pressures, (19 March 2002); https://doi.org/10.1117/12.459392

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