Reflective vortex focusing for acoustic contact-free object rotation

Ruan, Yongdu; Zhu, Jing; Lin, Qinhao; Wang, Yuqi; Zhou, Dikui; Wang, Shaobo; Li, Chong; Shi, Junhui; Chen, Ruimin

doi:10.1016/j.jsv.2024.118380

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Cited by 4 publications

References 56 publications

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Broadband low-transmission study of ventilation metasurfaces based on Archimedean spirals

Lu,

Li,

Zhang

2025

Applied Acoustics

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Broadband low-transmission study of ventilation metasurfaces based on Archimedean spirals

Lu,

Li,

Zhang

2025

Applied Acoustics

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Orbital angular momentum conversion of acoustic vortex beams via planar lattice coupling

Han 韩,

Liu 刘,

Yin 殷

et al. 2024

Chinese Phys. B

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The orbital angular momentum (OAM) conversion is critical in understanding the interaction between the structural sound field and a planar lattice. Herein, we explored the evolution of a monochromatic acoustic vortex beam (AVB) that is scattered by a phononic crystal (PnC) or a correlated random lattice. The phenomenon is ascribed to the enhanced orbit-orbit angular momentum coupling induced by the band structure. By modifying the coupling condition, accurate and continuous micro-manipulation of the AVBs can be achieved, including the transverse/lateral gravity shift, the dynamics of the phase singularities, the spatial distribution of acoustic pressure and etc. This research provides insight to the inhomogeneous coupling of AVBs with both the propagating Bloch waves and the localized Anderson modes, and may facilitate the development of novel OAM-based acoustic devices for active sound field manipulation.

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Tunable orbital angular momentum generator for directional acoustic transmission

Li,

Liu,

Guo

2024

Phys. Rev. E

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Reflective vortex focusing for acoustic contact-free object rotation

Cited by 4 publications

References 56 publications

Broadband low-transmission study of ventilation metasurfaces based on Archimedean spirals

Broadband low-transmission study of ventilation metasurfaces based on Archimedean spirals

Orbital angular momentum conversion of acoustic vortex beams via planar lattice coupling

Tunable orbital angular momentum generator for directional acoustic transmission

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