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General Physics Jan 7, 2014

New holographic process uses image-stabilized X-ray camera

A team headed by Stefan Eisebitt has developed a new X-ray holography method that will enable snap-shots of dynamic processes at highest spatial resolution. The efficiency of the new method is based on a X-ray focussing optics ...

General Physics Nov 28, 2013

Harmonic holograms: High-speed three-dimensional imaging captures biological dynamics

(Phys.org) —In the world of biomedical science, optical microscopy rules – and nonlinear optical microscopy, which uses ultrashort pulse lasers as the illumination source, allows researchers to glean much greater detail from ...

Plants & Animals Nov 26, 2013

Seahorse heads have a 'no wake zone' that's made for catching prey

Seahorses are slow, docile creatures, but their heads are perfectly shaped to sneak up and quickly snatch prey, according to marine scientists from The University of Texas at Austin.

Optics & Photonics Nov 15, 2013

New hologram technology created with tiny nanoantennas

Researchers have created tiny holograms using a "metasurface" capable of the ultra-efficient control of light, representing a potential new technology for advanced sensors, high-resolution displays and information processing. ...

Optics & Photonics Nov 6, 2013

Holograms set for greatness

A new technique that combines optical plates to manipulate laser light improves the quality of holograms.

Optics & Photonics Oct 15, 2013

Zoomable holograms pave the way for versatile, portable projectors

Imagine giving a presentation to a roomful of important customers when suddenly the projector fails. You whip out your smartphone, beam your PowerPoint presentation onto the conference room screen, and are back in business ...

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.

Nanophysics Oct 3, 2013

Graphene-based discs ensure safe storage

(Phys.org) —Swinburne University of Technology researchers have shown the potential of a new material for transforming secure optical information storage.

Nanophysics Aug 20, 2013

'Groovy' hologram creates strange state of light at visible and invisible wavelengths

(Phys.org) —Applied physicists at the Harvard School of Engineering and Applied Sciences (SEAS) have demonstrated that they can change the intensity, phase, and polarization of light rays using a hologram-like design decorated ...

General Physics Jul 11, 2013

Technology developed to control light scattering using holography

Recently, a popular article demonstrated that opaque glass becomes transparent as transparent tape is applied to the glass. The scientific principle is that light was less scattered as the rough surface of the opaque glass ...

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