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Optics & Photonics Dec 29, 2016

Quasi noise-free digital holography

Noise originating from the coherent nature of laser light is the scourge of digital holography, reducing the quality of holographic images below that of conventional photographs. Now, Pasquale Memmolo of ISASI-CNR and collaborators ...

Optics & Photonics Oct 25, 2016

Fluorescent holography: Upending the world of biological imaging

Optical microscopy experts at Colorado State University are once again pushing the envelope of biological imaging.

Optics & Photonics Oct 20, 2016

Move over, lasers: Scientists can now create holograms from neutrons, too

For the first time, a team including scientists from the National Institute of Standards and Technology (NIST) have used neutron beams to create holograms of large solid objects, revealing details about their interiors in ...

Optics & Photonics Oct 18, 2016

Full-circle viewing: 360-degree electronic holographic display

Princess Leia, your Star Wars hologram moment may be redeemed.

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 ...

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 Physics 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 Physics, University of Warsaw, have successfully applied ...

Nanophysics Jun 22, 2016

Optical antenna scatters different colors of light in different directions

(Phys.org)—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 Physics 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.

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