Holograms for acoustics

  title={Holograms for acoustics},
  author={Kai Melde and Andrew G. Mark and Tian Qiu and Peer Fischer},
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 acoustic fields within a three-dimensional volume. The basis of holography is spatial storage of the phase and/or amplitude profile of the desired wavefront in a manner that allows that wavefront to be reconstructed by interference when the hologram is illuminated with a suitable coherent source. Modern computer… 

Acoustic holography using composite metasurfaces

The latest efforts to explore an acoustic metasurface hologram in transmission-type and reflection-type systems are reviewed, where it is discussed how artificial meta-pixels appear as highly useful ingredients to tailor the flow of sound and transform a conventional incident wave into a desired arbitrary-complex wavefront in the far field.

Phase and amplitude modulation with acoustic holograms

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 using this approach

Ultrathin Acoustic Metasurface Holograms with Arbitrary Phase Control

Holograms show great potential in optical or acoustical waves applications due to their capability to reconstruct images. In this paper, we propose a novel scheme to realize acoustic holograms based

Acoustic Hole-Hologram for Ultrasonic Focusing With High Sensitivity

Acoustic hologram enable the capability in the acoustic pattern control and drive many applications of ultrasound. However, hologram has not been applied to ultrasound imaging because the medical

Acoustics: Motion controlled by sound

A relatively simple technique for creating acoustic holograms that can produce complex fields with reconstruction degrees of freedom two orders of magnitude greater than existing approaches and could be widely adopted to enable new applications with ultrasound manipulation.

Maskless Fourier transform holography.

Fourier transform holography is a lensless imaging technique that retrieves an object's exit-wave function with high fidelity. It has been used to study nanoscale phenomena and spatio-temporal

On nonlinear effects in holographic-modulated ultrasound

Holographic acoustic lenses (HALs), also known as acoustic holograms, are used for generating unprecedented complex focused ultrasound (FU) fields. HALs store the phase profile of the desired

High-speed acoustic holography with arbitrary scattering objects

Recent advances in high-speed acoustic holography have enabled levitation-based volumetric displays with tactile and audio sensations. However, current approaches do not compute sound scattering of

Design method and machine learning application of acoustic holographic computational metamaterials

Acoustic holographic method has been used in imaging, particle manipulation, material preparation and other fields. In acoustics, it is important to design the implementation of any acoustic wave

Reconstructing mid-air acoustic holograms using PMUT arrays: a simulation study

  • H. GaoP. Gijsenbergh V. Rochus
  • Physics
    2019 20th International Conference on Thermal, Mechanical and Multi-Physics Simulation and Experiments in Microelectronics and Microsystems (EuroSimE)
  • 2019
Mid-air acoustic holographic techniques allow the tempo-spatial reconstruction of the desired wave profile (in amplitude and/or phase), driving novel applications such as particle trapping and



An updatable holographic three-dimensional display

This work reports an updatable holographic 3D display based on photorefractive polymers with nearly 100% diffraction efficiency, fast writing time, hours of image persistence, rapid erasure, and large area, capable of recording and displaying new images every few minutes.

Holographic acoustic elements for manipulation of levitated objects

The phases used to drive an ultrasonic phased array are optimized and it is shown that acoustic levitation can be employed to translate, rotate and manipulate particles using even a single-sided emitter.

Bypassing absorbing objects in focused ultrasound using computer generated holographic technique.

The holographic technology is used to generate a FUS beams that bypasses an absorber in the acoustic path to reduce unnecessary heating and potential clinical risk and is superior in performance and flexibility compared to the intuitive geometrical technique that is being used in clinical practice.

Reconstructed Wavefronts and Communication Theory

A two-step imaging process discovered by Gabor involves photographing the Fresnel diffraction pattern of an object and using this recorded pattern, called a hologram, to construct an image of this

Imaging analysis of digital holography.

The analysis demonstrates the favorable properties of an in-line system arrangement in both the effective field of view and imaging resolution, and the imaging capacity of a digital holographic system is analyzed in terms of space-bandwidth product.

Propagation and backpropagation for ultrasonic wavefront design

  • Dong-Lai LiuR. Waag
  • Physics
    IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
  • 1997
The application of the angular spectrum method to other kinds of boundary conditions is discussed, as is the relationship between wave backpropagation, phase conjugation, and the time-reversal mirror.

Manipulation of particles in two dimensions using phase controllable ultrasonic standing waves

The ability to manipulate dense micrometre-scale objects in fluids is of interest to biosciences with a view to improving analysis techniques and enabling tissue engineering. A method of trapping

The kinoform: a new wavefront reconstruction device

A new, computer-generated, optical element called a kinoform is described. This device operates only on the phase of an incident wave and forms a single image by wavefront reconstruction without the

Manipulation of micrometer sized particles within a micromachined fluidic device to form two-dimensional patterns using ultrasound.

A method for two-dimensional arraying based on the superposition of two in-plane orthogonally oriented standing pressure waves is reported on, which allows for the simultaneous handling of single or numerous particles suspended in a fluid without the need for prior localization.