What is it about?

Laser-induced bubbles on gold and yttrium iron garnet targets are investigated as a function of the liquid viscosity using a nanosecond laser and an ultrafast shadowgraph imaging setup. We give a deeper insight into what determines the bubble dynamics.

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Why is it important?

No unified model is available yet to explain the dynamics of laser-induced cavitation bubbles during laser ablation of solid targets in liquids, when an extremely high capillary number is achieved (>100), i.e. when the viscous forces strongly contribute to the friction.

Perspectives

We are now working on numerical simulation to fully describe the bubbles dynamics.

Amans David
Universite Claude Bernard Lyon 1

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This page is a summary of: Dynamics of laser-induced cavitation bubbles at a solid–liquid interface in high viscosity and high capillary number regimes, Journal of Applied Physics, January 2020, American Institute of Physics, DOI: 10.1063/1.5116111.
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