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Search results for holography

Optics & Photonics Aug 5, 2024

Optimization for inverse problem solving in computer-generated holography

Computer-generated holography (CGH) provides an approach to digitally modulate a given wavefront. This technology, partly inherited from optical holography and partly advanced by the progress of computing technology, has ...

Optics & Photonics Apr 23, 2024

Tailoring electron vortex beams with customizable intensity patterns by electron diffraction holography

A new research study from Opto-Electronic Advances discusses tailoring electron vortex beams with customizable intensity patterns by electron diffraction holography.

Optics & Photonics Apr 8, 2024

Advancing real-time 3D holographic display: A new method for computer-generated holography

Holographic displays offer a promising avenue for achieving lifelike 3D reproductions with continuous depth sensation, holding potential applications in fields such as entertainment, medical imaging, and virtual reality. ...

General Physics Jun 22, 2023

Could quantum gravity models arising from holography explain cosmological acceleration?

Theoretical physicists have long been trying to devise a complete theory of gravity that would also account for quantum mechanics phenomena, as existing models do not. Such a theory could collectively explain the many intricate ...

Optics & Photonics Apr 13, 2023

New light sheet holography overcomes the depth perception challenge in 3D holograms

Holography—the use of light projection to display images—can be used to construct holograms, which are three-dimensional structures of light that depict true-to-life objects and scenes. While today's technologies can't ...

Optics & Photonics Dec 15, 2022

Visualization of the deforming atomic wavefunction with attosecond time-resolved photoelectron holography

Revealing the impulsive response of the bound electron to an electromagnetic field is of fundamentally importance for understanding various nonlinear processes of matter, and it is one of the ultimate goals of attosecond ...

General Physics Nov 30, 2021

High-speed holography of cells spots physical beacons of disease

Biomedical engineers at Duke University have engineered a holographic system capable of imaging and analyzing tens of thousands of cells per minute to both discover and recognize signs of disease.

Optics & Photonics Nov 30, 2021

Recent advances in optical dynamic meta-holography

In a new publication from Opto-Electronic Advances the research group of Professor Xiong Wei, from Huazhong University of Science and Technology, Wuhan, China, discuss recent advances in optical dynamic meta-holography.

Analytical Chemistry Aug 2, 2021

Deep learning and holography create a better point-of-care sensor

Agglutination assays are widely used immunological sensors based on antigen-antibody interactions that result in clumping of antibody-coated microscopic particles. Once the sample—for example, a patient's serum—is introduced, ...

Nanophysics Nov 30, 2020

Raman holography for biology

Raman spectroscopy is widely used in analytical sciences to identify molecules via their structural fingerprint. In the biological context the Raman response provides a valuable label-free specific contrast that allows distinguishing ...

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