Dynamic focusing of acoustic wave utilizing a randomly scattering lens and a single fixed transducer
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Applied Physics"
DOI: 10.1063/1.4982882
Abstract: In this study, we report a randomly scattering lens (RSL) coupled with a single fixed transducer to realize dynamic acoustic focusing. This acoustic lens is composed of randomly distributed acoustic scatterers, and a single ultrasound… read more here.
Keywords: scattering lens; single fixed; randomly scattering; focusing acoustic ... See more keywords
Broadband controllable acoustic focusing and asymmetric focusing by acoustic metamaterials
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DOI: 10.1088/1361-665x/abeb2e
Abstract: The applications of acoustic focusing and acoustic asymmetric focusing (AAF) are severely constrained by the narrow frequency bandwidth. In this paper, we report broad bandwidth acoustic focusing lens and asymmetric acoustic focusing lens consisting of… read more here.
Keywords: acoustic focusing; asymmetric focusing; focusing lens; focusing asymmetric ... See more keywords
Sub-wavelength focusing of acoustic waves in bubbly media
Sign Up to like & getrecommendations! Published in 2017 at "Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences"
DOI: 10.1098/rspa.2017.0469
Abstract: The purpose of this paper is to investigate acoustic wave scattering by a large number of bubbles in a liquid at frequencies near the Minnaert resonance frequency. This bubbly media has been exploited in practice… read more here.
Keywords: wavelength focusing; waves bubbly; sub wavelength; focusing acoustic ... See more keywords