Abstract
We suggest an explanation of the effect of melt droplets and solid particle ejection from a target surface under the impact of laser radiation with intensity 108–1010 W/cm2. We consider the capillary wave instabilities on the evaporating surface of melt, which lead to growth of large-scale surface structures and ejection of macroparticles. The instability increments and characteristic droplet sizes are determined. Conditions are found for droplet-free evaporation in terms of the dynamic pressure of evaporated matter.
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Brailovsky, A.B., Gaponov, S.V. & Luchin, V.I. Mechanisms of melt droplets and solid-particle ejection from a target surface by pulsed laser action. Appl. Phys. A 61, 81–86 (1995). https://doi.org/10.1007/BF01538216
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DOI: https://doi.org/10.1007/BF01538216