Abstract
Spectral analysis of CO2-TE-laser-ablated plasma on YBa2Cu3O72-x targets demonstrates a very complex spectrum with emission lines from atomic and ionic species. Plasma temperature is estimated at different moments in its evolution. A good accordance with the values achieved by considering an adiabatic plasma expansion is obtained. Plasma emission intensity is studied as a function of laser pulse energy and, for the same incident energies, a very reproducible amplitude is evidenced. Using a hydrodynamic model, plasma parameters are calculated.
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