Acoustic trapping with 3-D manipulation
Sign Up to like & getrecommendations! Published in 2019 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2019.06.008
Abstract: Abstract Non-contact acoustic trapping has evolved to devoid of any mechanical obstacles and shown promising results in many fields such as bio imaging lately. However, in an acoustic field, the movement of the target object… read more here.
Keywords: acoustic vortex; trapping manipulation; devices array; acoustics ... See more keywords
Broadband acoustic vortex beam generator based on coupled resonances
Sign Up to like & getrecommendations! Published in 2021 at "Applied Physics Letters"
DOI: 10.1063/5.0045397
Abstract: A high-performance acoustic vortex beam generator (VBG) based on artificial micro-structured metamaterials is of great significance in acoustic communication. However, to date, the research on metamaterial VBGs mainly focused on their single frequency properties in… read more here.
Keywords: beam generator; acoustic vortex; vortex beam;
Modulation of Orbital-Angular-Momentum Symmetry of Nondiffractive Acoustic Vortex Beams and Realization Using a Metasurface
Sign Up to like & getrecommendations! Published in 2020 at "Physical review applied"
DOI: 10.1103/physrevapplied.14.034014
Abstract: Orbital angular momentum (OAM) carried by acoustic vortex attracts extensive research interests due to the possible application such as acoustic tweezer and communications. The OAM in the conventional symmetric acoustic vortex is generally determined by… read more here.
Keywords: vortex; angular momentum; metasurface; orbital angular ... See more keywords
Asymmetric Generation of Acoustic Vortex Using Dual-Layer Metasurfaces.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.128.104501
Abstract: In this Letter, we introduce a new paradigm for achieving robust asymmetric generation of acoustic vortex field through dual-layer metasurfaces by controlling their intrinsic topologic charges and the parity of geometry design. The underlying physics… read more here.
Keywords: dual layer; asymmetric generation; acoustic vortex; generation acoustic ... See more keywords
Focusing airborne acoustic vortex beams by means of active diffraction gratings
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the Acoustical Society of America"
DOI: 10.1121/1.5036031
Abstract: New technologies to generate acoustic vortex beams (VB) have received increasing attention due to their interesting capabilities to transfer angular momentum to matter and to attract particles to the propagation axis. One of the recently… read more here.
Keywords: vortex beams; acoustic vortex; active diffraction; diffraction gratings ... See more keywords
Enhanced Detection in Droplet Microfluidics by Acoustic Vortex Modulation of Particle Rings and Particle Clusters via Asymmetric Propagation of Surface Acoustic Waves
Sign Up to like & getrecommendations! Published in 2022 at "Biosensors"
DOI: 10.3390/bios12060399
Abstract: As a basis for biometric and chemical analysis, issues of how to dilute or concentrate substances such as particles or cells to specific concentrations have long been of interest to researchers. In this study, travelling… read more here.
Keywords: detection droplet; enhanced detection; acoustic vortex; surface acoustic ... See more keywords