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PCP-TRIS Informe resumido

Project ID: 509426
Financiado con arreglo a: FP6-MOBILITY
País: Ireland

Final Activity Report Summary - PCP-TRIS (Probing colliding plasmas with time resolved imaging and spectroscopy)

The interaction of two counter-propagating laser-produced plasmas was studied using simultaneous imaging and spectroscopic techniques. Spectrally-filtered time- gated ICCD imaging was used to obtain information on the spatial dynamics and temporal evolution of the collision process. While, time-resolved imaging-spectroscopy was used to determine the spatial and temporal distributions of the electron temperature and density within the interaction region.

We examined specifically the interaction of plasmas whose parameters match those typically used in pulsed laser deposition of thin films. Collisions between low temperature plasmas are characterised by quite short mean free paths at the collision front leading to the creation of a pronounced stagnation layer in the interaction region.

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