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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 Âé¶¹ÒùÔºics 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 ...

Optics & Photonics Sep 16, 2016

Researchers make better sense of incoherent light

One of the differences between lasers and desk lamps is that laser light is spatially coherent, meaning the peaks and valleys of the light waves are correlated with each other. The jumbled, uncorrelated waves coming from ...

Quantum Âé¶¹ÒùÔºics Jul 19, 2016

The birth of quantum holography—making holograms of single light particles

Until quite recently, creating a hologram of a single photon was believed to be impossible due to fundamental laws of physics. However, scientists at the Faculty of Âé¶¹ÒùÔºics, University of Warsaw, have successfully applied ...

Nanophysics Jun 22, 2016

Optical antenna scatters different colors of light in different directions

(Âé¶¹ÒùÔº)—Researchers have fabricated a silicon optical antenna that is somewhat like an extremely small, special kind of prism. This is because when a red light shines on the optical antenna, the light turns right, but ...

General Âé¶¹ÒùÔºics Jun 9, 2016

Tunneling ionization helps scientists to track ultrafast changes in molecules

Using tunneling ionization and ultrashort laser pulses, scientists have observed the changes that take place in the structure of a molecule within billionths of a billionth of a second when excited by an electron impact.

General Âé¶¹ÒùÔºics May 27, 2016

Loop quantum gravity theory offers glimpse beyond the event horizon

In principle, nothing that enters a black hole can leave the black hole. This has considerably complicated the study of these mysterious bodies, which generations of physicists have debated since 1916, when their existence ...

General Âé¶¹ÒùÔºics May 26, 2016

Scanning for skyrmions: Scientists directly image skyrmion cluster state transitions in iron-germanium nanodisks

Magnetic skyrmions, or noncoplanar swirling spin textures, are particle-like spin configurations with an integer topological charge that promise faster, denser memory storage. The hurdle to overcome in creating such devices ...

Nanophysics May 3, 2016

Scientists make 3D holograms of atoms inside molecular structures

(Âé¶¹ÒùÔº)—Researchers have developed the first imaging technique that can clearly see inside molecular structures, and have used it to create 3D holograms of the atomic arrangements inside these structures. Before now, ...

Optics & Photonics Apr 18, 2016

Controlling integrated optical circuits using patterns of light

Researchers from the University of Southampton (UK), and the Institut d'Optique in Bordeaux (France) have devised a new approach for controlling light in a silicon chip by bringing the concept of spatial light modulation ...

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