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30 April 2002 Ion acceleration by cw CO2 laser irradiation in the erosion plume after ablation with excimer laser
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Proceedings Volume 4644, Seventh International Conference on Laser and Laser-Information Technologies; (2002) https://doi.org/10.1117/12.464178
Event: Seventh International Conference on Laser and Laser Information Technologies, 2001, Vladimir, Suzdal, Russian Federation
Abstract
The erosion plume resulting from an ablation of tantalum target in vacuum with excimer laser radiation (308 nm) was studied using Langmuir probe. The spatial and temporal dependencies of electron probe currents were obtained in real time. The electron temperature of different plume regions was determined from a series of I-U characteristics taken at different distances between probe and target. It was established that the plume electron temperature is nonuniform and has a maximum value in front of the plume. The acceleration of ions on plume irradiation with CW CO2 laser recorded. The increase in ions energy from 25 to 50 eV was observed.
© (2002) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Oleg Alexeyevic Novodvorsky, Olga D. Khramova, Elena O. Filippova, Rafael Ya. Sagdeev, Christian Wenzel, and J. W. Bartha "Ion acceleration by cw CO2 laser irradiation in the erosion plume after ablation with excimer laser", Proc. SPIE 4644, Seventh International Conference on Laser and Laser-Information Technologies, (30 April 2002); https://doi.org/10.1117/12.464178
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