Abstract
The evolution of large metal clusters is considered when the cluster is irradiated by a super-intense ultra-short laser pulse. The cluster excitation results from the interaction of the electron subsystem with the laser field. The electron temperature and the charge of the produced cluster ion are derived for this process. The optical density of the cluster plasma is found to be relatively low for resonant radiative transitions of multicharged atomic ions inside the cluster. Thus, the reabsorption of photons is inefficient in the cluster plasma. The optimal conditions are analyzed for the effective absorption of laser radiation by the metal cluster. It was found that a maximum of absorption was achieved for large sizes of the clusters.
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