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Hemispherical shock wave decay in laser-matter interaction

Published online by Cambridge University Press:  09 March 2009

Irith Gilath ,
Shalom Eliezer ,
Shalom Eliezer  and
Tuvia Bar
Irith Gilath
Affiliation:
Soreq Nuclear Research Center, Yavne 70600, Israel
Shalom Eliezer
Affiliation:
Soreq Nuclear Research Center, Yavne 70600, Israel
Shalom Eliezer
Affiliation:
DENIM, E.T.S. Ingenieros Industrials, José Gutiérrez Abascal 2, Madrid, Spain
Tuvia Bar
Affiliation:
Physics Department, NRCN, Beer-Sheva 84190, Israel
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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.

Type
Research Article
Information
Laser and Particle Beams , Volume 11 , Issue 1 , March 1993 , pp. 221 - 225
Copyright
Copyright © Cambridge University Press 1993

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References

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