Time-resolved PLIF imaging of Cu in a laser-ablated copper plasma plume
Journal Article
·
· IEEE Transactions on Plasma Science
- Los Alamos National Lab., NM (United States). Chemical Science and Technology Div.
Planar laser-induced fluorescence (PLIF) has been used to determine the relative number density of ground state copper atoms in laser-ablated plasma plumes. An ablation laser power flux of {approximately}1.5 GW/cm{sup 2} is applied to a solid copper target in a background gas, producing a plasma plume suitable for studying homogeneous copper vapor condensation. Density is measured at postablation time delays ranging from 5 {micro}s to 10 ms with 1--100 torr of either argon or helium as the background gas. Planar laser-induced fluorescence images are used to spatially resolve the relative density within the plume. The decrease in density is due to the homogeneous condensation of copper vapor to form particulate.
- OSTI ID:
- 244910
- Journal Information:
- IEEE Transactions on Plasma Science, Journal Name: IEEE Transactions on Plasma Science Journal Issue: 1 Vol. 24; ISSN ITPSBD; ISSN 0093-3813
- Country of Publication:
- United States
- Language:
- English
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