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Hemispherical shock wave decay in laser-matter interaction
Published online by Cambridge University Press: 09 March 2009
Abstract
A high-irradiance short pulsed laser was used to generate hemispherical shock waves in planar targets. A linear relationship was obtained between the laser energy for threshold spall conditions (EL) and the cubic target thickness (d): EL = 45.3d3 + 4.9, where EL is in J and d is in mm. It is found that the laser-induced ablation pressure decays with the distance to a power slightly greater than 2.
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- Copyright © Cambridge University Press 1993
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