Fluid Driven Membrane Actuation for Reconfigurable Acoustic Manipulation

C Choi, J Hardwick, S Bansal… - Advanced Functional …, 2024 - Wiley Online Library
Acoustic metamaterials based on out‐of‐plane actuation can flexibly reconfigure arrayed
unit cells on demand, to shape sound fields for applications such as beam formation or …

Multifrequency transcranial ultrasound holography with acoustic lenses

M Daniel, D Attali, T Tiennot, M Tanter, JF Aubry - Physical Review Applied, 2024 - APS
Focusing ultrasound through the skull requires the accurate correction of skull-induced
aberrations. Acoustic lenses provide an inexpensive and effective measure for correcting …

Parallel droplet ejection with artificial-structure-based holographic acoustic fields

R Zhang, Y Huang, W Wu, W Qiu, H Zheng, Y Yu… - Physical Review …, 2024 - APS
Acoustic droplet ejection (ADE) technology has gained significant attention in synthetic
biology and drug discovery due to its noncontact dispensing, low contamination risk, and …

Actively Reconfigurable Segmented Spatial Sound Modulators

J Hardwick, B Kazemi, MS Talamali… - Advanced Materials …, 2024 - Wiley Online Library
High‐quality acousto‐holographic patterns and images, integral to applications like 3D
displays, acoustophoresis, and midair haptics, require precise distribution of ultrasound …

Tailored photoacoustic apertures with superimposed optical holograms

GA Howe, MX Tang, CJ Rowlands - Biomedical Optics Express, 2023 - opg.optica.org
A new method of generating potentially arbitrary photoacoustic wavefronts with optical
holograms is presented. This method uses nanosecond laser pulses at 1064 nm that are …

[HTML][HTML] Dynamic Acoustic Holography: One-Shot High-Precision and High-Information Methodology

Z Li, Y Yang, Q Lu, X Wei, C Hou, Y Quan, X Lü, W Bao… - Micromachines, 2024 - mdpi.com
Acoustic holography technology is widely used in the field of ultrasound due to its capability
to achieve complex acoustic fields. The traditional acoustic holography method based on …

Discrete multi-step phase hologram for high frequency acoustic modulation

MQ Zhou, ZX Li, Y Li, YC Wang, J Zhang… - Chinese …, 2024 - iopscience.iop.org
Acoustic holograms can recover wavefront stored acoustic field information and produce
high-fidelity complex acoustic fields. Benefiting from the huge spatial information that …

Reconfigurable Acoustic Metasurfaces as Reflective Spatial Sound Modulators

J Hardwick - 2024 - discovery.ucl.ac.uk
In this thesis, I showcase the effectiveness of acoustic metasurface (AM) based spatial
sound modulators (SSMs) for reconfigurable, cost-effective manipulation of acoustic …