Dynamical study of bubble expansion following laser ablation in liquids

This work examines the initial growth and collapse stages of bubbles induced by laser ablation in liquids. First, the bubble shape and size are tracked using an ultrafast camera in a shadowgraph imaging setup. The use of an ultrafast camera ensures a high control of the reproducibility, because a th...

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Bibliographic Details
Published in:Applied physics letters 2016-02, Vol.108 (7)
Main Authors: Lam, Julien, Lombard, Julien, Dujardin, Christophe, Ledoux, Gilles, Merabia, Samy, Amans, David
Format: Article
Language:English
Subjects:
Applied physics
Bubbles
Cavitation
Condensed Matter
Isotopes
Laser ablation
Lasers
Liquids
Nanoparticles
Physics
Reproducibility
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Summary:This work examines the initial growth and collapse stages of bubbles induced by laser ablation in liquids. First, the bubble shape and size are tracked using an ultrafast camera in a shadowgraph imaging setup. The use of an ultrafast camera ensures a high control of the reproducibility, because a thorough measurement of each bubble lifetime is performed. Next, an analytical cavitation-based model is developed to assess the thermodynamic bubble properties. This study demonstrates that the bubble evolution is adiabatic and driven by inertial forces. Surprisingly, it is found that the bubbles consist of significantly more solvent molecules than ablated matter. These results are valuable to the field of nanoparticle synthesis as they provide insight into the mechanics of laser ablation in liquids.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4942389