About this article
Published Online: Apr 30, 2022
Page range: 89 - 96
Received: Dec 03, 2021
Accepted: Dec 30, 2021
DOI: https://doi.org/10.2478/bipmf-2021-0022
Keywords
© 2021 Zoltan Borsos et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
The paper demonstrates that a liquid becomes inhomogeneous in interaction with an oscillating bubbles cluster. Because the refractive index of the liquid around the cluster has a radial variation, a spherical acoustic lens is generated. Under certain restrictive conditions, the acoustic lens behaves like an acoustic black hole.