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Search results for holography

Optics & Photonics Apr 4, 2023

Multi-foci metalens for spectra and polarization ellipticity recognition and reconstruction

As fundamental properties of light, spectra and polarization carry vital information concerning the propagation of light waves. For example, spectral imaging can reflect the material composition of objects, while polarized ...

Materials Science Aug 1, 2022

Engineers repurpose 19th-century photography technique to make stretchy, color-changing films

Imagine stretching a piece of film to reveal a hidden message. Or checking an arm band's color to gauge muscle mass. Or sporting a swimsuit that changes hue as you do laps. Such chameleon-like, color-shifting materials could ...

Optics & Photonics Aug 25, 2021

Harnessing the particle-tracking power of the algorithm

A simple camera system paired with a sophisticated image-processing algorithm can achieve faster and more accurate reconstructions of particle flow.

Optics & Photonics May 18, 2017

World's thinnest hologram paves path to new 3-D world

An Australian-Chinese research team has created the world's thinnest hologram, paving the way towards the integration of 3D holography into everyday electronics like smart phones, computers and TVs.

Optics & Photonics Oct 14, 2016

Researchers develop projection-type holographic 3-D display technology

NICT has developed a new projection-type see-through holographic 3-D display technology combining an optical screen of a digitally designed holographic optical element (DDHOE) and a digital holographic projection technique. ...

General Physics Sep 22, 2016

Shaping sound waves in 3-D could be useful for medical ultrasound applications

Sound can now be structured in three dimensions. Researchers from the Max Planck Institute for Intelligent Systems and the University of Stuttgart have found a way of generating acoustic holograms, which could improve ultrasound ...

General Physics May 11, 2015

Researchers demonstrate pattern recognition using magnonic holographic memory device

Researchers at the University of California, Riverside Bourns College of Engineering and the Russian Academy of Sciences have successfully demonstrated pattern recognition using a magnonic holographic memory device, a development ...

General Physics Sep 12, 2014

How certain nanoscale crystal defects can dramatically intensify ferromagnetism

Magnetic materials are fundamental to many technologies, from data storage to next-generation spintronic devices. However, as integrated circuits become increasingly miniaturized and the sizes of magnetic components approach ...

Engineering Oct 14, 2013

Ensuring cultural heritage protection

Transit exhibitions and artwork loaning may lead to mistreatments or damages of art pieces, exposure to sudden environmental changes and to the risk of fraud.

Optics & Photonics Mar 12, 2009

HoloTV Images Jump off the Screen, into Tomorrow's Homes (w/Video)

(PhysOrg.com) -- Unlike today’s biggest and most realistic LCD and plasma TVs, 3D TV screens can project images that seem to float in mid-air beyond the screen. That means, for instance, that viewers could watch basketball ...

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