Laser induced bubbles inside liquids: Transient optical properties and effects on a beam propagation

V. Lazic, S. Jovicevic, M. Carpanese

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Light transmission through a laser formed bubble (LFB) following ablation of a metallic target inside water was studied. During the early expansion and late collapsing phases, the refraction index nbof the hot high-pressure vapor bubble is higher than 1.23 and close to that of the surrounding liquid. The cavity growth lowers nbdown to 1.00 and causes strong defocusing of the incident laser beam with consequent enlargement of the ablation crater diameter, here overcoming factor two. Inhomogeneous water vapor clustering inside the cool expanded bubble further perturbs the light transmission and induces irregular ablation by the successive laser pulse. © 2012 American Institute of Physics.
Original languageEnglish
Article number054101
Pages (from-to)-
JournalApplied Physics Letters
Issue number5
Publication statusPublished - 30 Jul 2012
Externally publishedYes


All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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