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Search results for holography

Earth Sciences Oct 1, 2015

Scientists use holography to peer into clouds

Watching clouds go by, swirls of white puff up and melt away. The changes mirror mixing within the clouds as drier air mingles with water-saturated air.

General Physics Feb 20, 2015

Atomic-resolution holography electron microscope with the world's highest point resolution

Hitachi today announced that it has developed an atomic-resolution holography electron microscope accelerated at a 1.2-megavolt ("MV") under the government-sponsored FIRST Program project named "Development and Application ...

Optics & Photonics Oct 24, 2014

Flatland, we hardly knew ye: Unique 1-D metasurface acts as polarized beam splitter, allows novel form of holography

(Phys.org) —Traditional three-dimensional (3-D) plasmonic metamaterials with metallic structures – artificial materials that exploit coherent delocalized electron oscillations known as surface plasmons produced from the interaction ...

General Physics Oct 15, 2014

Serendipitous holography reveals hidden cracks

In a recent article published in the Review of Scientific Instruments, a research team led by scientists at Lawrence Livermore National Laboratory describe a technique for 3D-image processing of a high-speed photograph of ...

Nanophysics Jul 9, 2014

Researchers develop holography technology that could change the way we view the world

Since the 1960s, theatergoers have shelled out for crude 3-D glasses, polarized glasses, and shutter glasses to enhance their viewing experience. These basic devices, used to trick the brain into perceiving an artificial ...

Nanophysics May 30, 2014

Electron holography reveals the startling beauty of nanoscale magnetic vortices

Nanoscale magnetic swirls known as skyrmions can form in certain materials such as thin magnetic films. These tiny vortices pack into dense lattices that are more stable than conventional magnetic domains and can be transported ...

General Physics Jun 19, 2007

Getting rid of the twin image that plagues holography

For decades, since the ability to create a holographic record was discovered, a problem has plagued the field. “In holography,” Tatiana Latychevskaia tells PhysOrg.com, “a twin image unfortunately appears. It is seen out ...

General Physics Feb 19, 2007

Optical holography makes information simpler to secure, more difficult to decrypt

As business done over the Internet is becoming almost conventional these days—more banks becoming virtual, more companies going global—information security is something most people take for granted on a daily basis. However, ...

General Physics 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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