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Realizing caustics in acoustic fields

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journal contribution
posted on 2023-06-09, 22:46 authored by Samaneh Moeini, Gianluca MemoliGianluca Memoli, Sriram Subramanian
We present a method to realise a wide class of caustics in acoustic fields created by a set of phase holograms realized with metasurfaces. Given the desired caustic shape, we discuss how to identify the phase distribution along the metasurfaces and describe the calculations needed for determining the pressure field in the vicinity of the caustic. The results of this work can be used in realising acoustic traps controllable with acoustic metamaterials.

Funding

AURORA: Controlling sound like we do with light; G2448; EPSRC-ENGINEERING & PHYSICAL SCIENCES RESEARCH COUNCIL; EP/S001832/1

Manipulating Acoustic wavefronts using metamaterials for novel user interfaces; G2388; EUROPEAN UNION; 787413

History

Publication status

  • Published

File Version

  • Published version

Journal

Journal of Physics: Conference Series

ISSN

1742-6588

Publisher

IOP Publishing

External DOI

Volume

1461

Page range

1-4

Article number

a012107

Department affiliated with

  • Informatics Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2021-01-18

First Open Access (FOA) Date

2021-01-18

First Compliant Deposit (FCD) Date

2021-01-15

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    Licence

    CC BY 4.0

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