Cavitation dynamics and directional microbubble ejection induced by intense femtosecond laser pulses in liquids

D. Faccio, G. Tamoauskas, E. Rubino, J. Darginavičius, D. G. Papazoglou, Stylianos Tzortzakis, A. Couairon, A. Dubietis

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

We study cavitation dynamics when focusing ring-shaped femtosecond laser beams in water. This focusing geometry reduces detrimental nonlinear beam distortions and enhances energy deposition within the medium, localized at the focal spot. We observe remarkable postcollapse dynamics of elongated cavitation bubbles with high-speed ejection of microbubbles out of the laser focal region. Bubbles are ejected along the laser axis in both directions (away and towards the laser). The initial shape of the cavitation bubble is also seen to either enhance or completely suppress jet formation during collapse. In the absence of jetting, microbubble ejection occurs orthogonal to the laser propagation axis.

Original languageEnglish
Article number036304
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume86
Issue number3
DOIs
Publication statusPublished - 5 Sep 2012
Externally publishedYes

Fingerprint

Femtosecond Laser Pulses
Cavitation
cavitation flow
ejection
Liquid
Bubble
Laser
bubbles
liquids
pulses
lasers
Femtosecond Laser
Laser Beam
High Speed
high speed
laser beams
Propagation
Water
Ring
propagation

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Statistical and Nonlinear Physics
  • Statistics and Probability

Cite this

Cavitation dynamics and directional microbubble ejection induced by intense femtosecond laser pulses in liquids. / Faccio, D.; Tamoauskas, G.; Rubino, E.; Darginavičius, J.; Papazoglou, D. G.; Tzortzakis, Stylianos; Couairon, A.; Dubietis, A.

In: Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, Vol. 86, No. 3, 036304, 05.09.2012.

Research output: Contribution to journalArticle

Faccio, D. ; Tamoauskas, G. ; Rubino, E. ; Darginavičius, J. ; Papazoglou, D. G. ; Tzortzakis, Stylianos ; Couairon, A. ; Dubietis, A. / Cavitation dynamics and directional microbubble ejection induced by intense femtosecond laser pulses in liquids. In: Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 2012 ; Vol. 86, No. 3.
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