Abstract

The process of formation and decay of laser-generated shock waves is described by a hydrodynamic model. Measurements of shock velocities are performed on copper foils for incident intensities between 3\ifmmode\times\else\texttimes\fi{}${10}^{11}$ and 3\ifmmode\times\else\texttimes\fi{}${10}^{12}$ W/${\mathrm{cm}}^{2}$, with the use of piezoelectric detectors. Maximum induced pressures are found between 0.5 and 1.2 Mbar in the intensity range considered. Analysis of the results with the shock-evolution model outlines the importance of the decay process of laser-generated shocks.

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