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Search results for holography

Optics & Photonics Jun 29, 2021

New type of metasurface allows unprecedented laser control

The ability to precisely control the various properties of laser light is critical to much of the technology that we use today, from commercial virtual reality (VR) headsets to microscopic imaging for biomedical research. ...

Optics & Photonics Jun 9, 2021

X-ray flash imaging of laser-induced bubbles and shockwaves in water

Researchers have created tiny bubbles in high-pressure water via intense focused lasers. Under these conditions, the bubbles expand at supersonic speed and push a shockwave consisting of a spherical shell of highly compressed ...

Polymers Jun 9, 2021

Single-particle studies point the way toward next-generation light displays

Holographic displays help add a three-dimensional—and thus more life-like—feel to what would otherwise appear as a two-dimensional image. Now, researchers in Japan have tested how this may work on a supramolecular level; ...

Nanophysics May 12, 2021

Shaken, not stirred: Ultrafast skyrmion reshuffling

Smaller, faster, more energy-efficient: future requirements to computing and data storage are hard to fulfill and alternative concepts are continuously explored. Small magnetic textures, so-called skyrmions, may become an ...

Bio & Medicine May 11, 2021

Light-controlled nanoparticles will play key role in biosensor development

Scientists from ITMO University have developed a production method for biointegrable nanoparticles that can be controlled via heat. With light irradiation, these particles change not only their shape, but their color, too. ...

Optics & Photonics May 7, 2021

Hologram experts can now create real-life images that move in the air

They may be tiny weapons, but Brigham Young University's holography research group has figured out how to create lightsabers—green for Yoda and red for Darth Vader, naturally—with actual luminous beams rising from them.

Optics & Photonics Apr 30, 2021

Holographic histopathology enables fast, precise diagnostics

Histology is the study of biological tissues at a microscopic level. Also called microscopic anatomy, histology is widely used to provide diagnosis of cancer and other diseases. For example, tissue samples obtained during ...

General Âé¶¹ÒùÔºics Apr 15, 2021

Uncovering the secrets of some of the world's first color photographs

EPFL researchers have shed new light on one of the earliest color photography techniques, G. Lippmann's Nobel Prize–winning multispectral imaging method.

General Âé¶¹ÒùÔºics Mar 10, 2021

Using artificial intelligence to generate 3D holograms in real-time

Despite years of hype, virtual reality headsets have yet to topple TV or computer screens as the go-to devices for video viewing. One reason: VR can make users feel sick. Nausea and eye strain can result because VR creates ...

Optics & Photonics Feb 18, 2021

Quantum leap: how we discovered a new way to create a hologram

Once, holograms were just a scientific curiosity. But thanks to the rapid development of lasers, they have gradually moved center stage, appearing on the security imagery for credit cards and bank notes, in science fiction ...

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