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Nanophysics May 15, 2020

Watching the in situ hydrogen diffusion dynamics in magnesium on the nanoscale

Switchable materials that have extreme material contrast and short switching times with negligible degradation can contribute to active plasmonic and nanophotonic systems. In order to understand their supreme properties, ...

Nanophysics May 12, 2020

Generating color 3-D images with designed reflective metasurfaces under incoherent illumination

As part of an international collaboration with Southern University of Science and Technology in Shenzhen (China), London Centre for Nanotechnology researchers at King's College London have developed a novel way of generating ...

Nanophysics Apr 30, 2020

Intricate magnetic configuration of 3-D nanoscale gyroid networks revealed

A multinational team of researchers from Tohoku University and institutions in the UK, Germany and Switzerland has revealed the magnetic states of nanoscale gyroids, 3-D chiral network-like nanostructures. The findings add ...

General Physics Jan 24, 2020

Gravity: We might have been getting it wrong this whole time

Symmetry has been one of the guiding principles in physicists' search for fundamental laws of nature. What does it mean that laws of nature have symmetry? It means that laws look the same before and after an operation, similar ...

Optics & Photonics Nov 21, 2019

Bringing faster 3-D imaging for biomedical researches

By combining a compressive sensing algorithm with a digital holographic microscope, Prof. Shih-Chi Chen of the Department of Mechanical and Automation Engineering, Faculty of Engineering, The Chinese University of Hong Kong ...

Optics & Photonics Nov 2, 2019

New printer creates extremely realistic colorful holograms

Researchers have developed a new printer that produces digital 3-D holograms with an unprecedented level of detail and realistic color. The new printer could be used to make high-resolution color recreations of objects or ...

Optics & Photonics Sep 12, 2019

Metasurface holograms: Fast, compact polarization measurements for spectroscopy and sensing

For the first time, researchers have used ultra-thin layers of 2-D structures known as metasurfaces to create holograms that can measure the polarization of light. The new metasurface holograms could be used to create very ...

Quantum Physics Jun 28, 2019

Optimal quantum computation linked to gravity

Information and gravity may seem like completely different things, but one thing they have in common is that they can both be described in the framework of geometry. Building on this connection, a new paper suggests that ...

Nanomaterials Jun 6, 2019

Manipulating nanoscale light in nanocavity of scanning tunneling microscope junctions

Manipulating nanoscale light in scanning tunneling microscope junctions is attained by nanofabrication of gold tips using a focused ion beam technique. Researchers at Fritz-Haber Institute, Berlin, Germany, demonstrated that ...

Plasma Physics Mar 11, 2019

In-plane coherent control of plasmon resonances for plasmonic switching and encoding

Light incident on metallic nanoparticles can initiate the collective motion of electrons, causing a strong amplification of the local electromagnetic field. Such plasmonic resonances have significant roles in biosensing with ...

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