Holograms for acoustics

K Melde, AG Mark, T Qiu, P Fischer - Nature, 2016 - nature.com
Holographic techniques are fundamental to applications such as volumetric displays, high-
density data storage and optical tweezers that require spatial control of intricate optical or …

[HTML][HTML] Generating airborne ultrasonic amplitude patterns using an open hardware phased array

R Morales, I Ezcurdia, J Irisarri, MAB Andrade… - Applied Sciences, 2021 - mdpi.com
Holographic methods from optics can be adapted to acoustics for enabling novel
applications in particle manipulation or patterning by generating dynamic custom-tailored …

Acoustic hologram enhanced phased arrays for ultrasonic particle manipulation

L Cox, K Melde, A Croxford, P Fischer… - Physical Review Applied, 2019 - APS
The ability to shape ultrasound fields is important for particle manipulation, medical
therapeutics, and imaging applications. If the amplitude and/or phase is spatially varied …

[HTML][HTML] Acoustic holographic rendering with two-dimensional metamaterial-based passive phased array

Y Xie, C Shen, W Wang, J Li, D Suo, BI Popa, Y Jing… - Scientific reports, 2016 - nature.com
Acoustic holographic rendering in complete analogy with optical holography are useful for
various applications, ranging from multi-focal lensing, multiplexed sensing and synthesizing …

Thermal holographic patterns for ultrasound hyperthermia

D Andrés, J Vappou, N Jiménez… - Applied Physics Letters, 2022 - pubs.aip.org
Holograms can shape wavefronts to produce arbitrary acoustic images. In this work, we
experimentally demonstrate how acoustic holograms can produce controlled thermal …

[HTML][HTML] Phase and amplitude modulation with acoustic holograms

MD Brown - Applied Physics Letters, 2019 - pubs.aip.org
Acoustic holograms are a low cost method for generating arbitrary diffraction limited
pressure distributions in 3 dimensions. However, at present, the creation of complex fields …

A volumetric display for visual, tactile and audio presentation using acoustic trapping

R Hirayama, D Martinez Plasencia, N Masuda… - Nature, 2019 - nature.com
Science-fiction movies portray volumetric systems that provide not only visual but also tactile
and audible three-dimensional (3D) content. Displays based on swept-volume surfaces …

Compact holographic sound fields enable rapid one-step assembly of matter in 3D

K Melde, H Kremer, M Shi, S Seneca, C Frey… - Science …, 2023 - science.org
Acoustic waves exert forces when they interact with matter. Shaping ultrasound fields
precisely in 3D thus allows control over the force landscape and should permit particulates …

[HTML][HTML] Holographic acoustic elements for manipulation of levitated objects

A Marzo, SA Seah, BW Drinkwater, DR Sahoo… - Nature …, 2015 - nature.com
Sound can levitate objects of different sizes and materials through air, water and tissue. This
allows us to manipulate cells, liquids, compounds or living things without touching or …

Holographic acoustic tweezers

A Marzo, BW Drinkwater - Proceedings of the National …, 2019 - National Acad Sciences
Acoustic tweezers use sound radiation forces to manipulate matter without contact. They
provide unique characteristics compared with the more established optical tweezers, such …