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Proceedings Paper

Cavitation effects in opaque liquids produced by pulsed CO2 laser
Author(s): Alla German; David Bunimovich; Abraham Katzir
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Paper Abstract

The formation of a stationary cavity by a sequence of CO2 laser pulses was investigated in liquids of different viscosity and surface tension. Decreasing the surface tension of the liquid and increasing its viscosity increases the depth of the cavity and decreases the threshold energy needed for its formation. A theoretical model based on the Bernoulli-Stokes equation was developed. Good agreement between experimental and theoretical results was obtained. A method of reducing thermal damage, involving liquid layer effects during laser cutting of different materials, is proposed.

Paper Details

Date Published: 16 June 1997
PDF: 6 pages
Proc. SPIE 2975, Laser-Tissue Interaction VIII, (16 June 1997); doi: 10.1117/12.275503
Show Author Affiliations
Alla German, Tel Aviv Univ. (Israel)
David Bunimovich, Tel Aviv Univ. (Israel)
Abraham Katzir, Tel Aviv Univ. (Israel)

Published in SPIE Proceedings Vol. 2975:
Laser-Tissue Interaction VIII
Steven L. Jacques, Editor(s)

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