Cavitation effects in opaque liquids produced by pulsed CO2 laser

Alla German; David Bunimovich; Abraham Katzir

doi:10.1117/12.275503

16 June 1997 Cavitation effects in opaque liquids produced by pulsed CO2 laser

Alla German, David Bunimovich, Abraham Katzir

Proceedings Volume 2975, Laser-Tissue Interaction VIII; (1997) https://doi.org/10.1117/12.275503
Event: BiOS '97, Part of Photonics West, 1997, San Jose, CA, United States

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.

Citation Download Citation

Alla German, David Bunimovich, and Abraham Katzir "Cavitation effects in opaque liquids produced by pulsed CO2 laser", Proc. SPIE 2975, Laser-Tissue Interaction VIII, (16 June 1997); https://doi.org/10.1117/12.275503

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