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Search results for metamaterial

Optics & Photonics May 4, 2020

Scientists use phononic crystals to make dynamic acoustic tweezers

Acoustic tweezers are a powerful tool for contactless manipulation of particles and cells using acoustic radiation forces (ARF) generated by the transfer of acoustic wave momentum. They play an important role in display technology, ...

Optics & Photonics Apr 30, 2020

Machine learning enhances light–Matter interactions in dielectric nanostructures

A paper published in Advanced Photonics "Enhanced light–matter interactions in dielectric nanostructures via machine-learning approach," suggests that machine-learning techniques can be used to enhance metasurfaces, optimizing ...

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 ...

Optics & Photonics Apr 27, 2020

New metasurface laser produces world's first super-chiral light

Researchers have demonstrated the world's first metasurface laser that produces "super-chiral light": light with ultra-high angular momentum. The light from this laser can be used as a type of "optical spanner" to or for ...

Nanophysics Apr 27, 2020

Photonic metasurfaces provide a new playground for twistronics

Quantum optics, spintronics and diffraction-free imaging with low loss are among the technologies that may benefit from recently predicted effects in twisted bilayer photonic structures. The work takes inspiration from a ...

Nanomaterials Apr 22, 2020

Scientists devise method for gentle laser processing of perovskites at nanoscale

Scientists of Far Eastern Federal University (FEFU) in partnership with colleagues from ITMO University, and universities in Germany, Japan, and Australia, have developed a method for precise, fast and high-quality laser ...

Optics & Photonics Apr 15, 2020

A quantum metasurface that can simultaneously control multiple properties of light

Metasurfaces are artificial materials designed at the nanoscale, which can control the scattering of light with exceptionally high precision. Over the past decade or so, these materials have been used to create a variety ...

Plasma Âé¶¹ÒùÔºics Apr 7, 2020

Bending microwaves and forbidding frequencies with simulated metamaterials

Using plasma to control microwaves for beaming direct energy toward a specific point is explored for their durability in high-energy electric fields and their reconfigurable structure. High power microwave beams, similar ...

Optics & Photonics Mar 27, 2020

Researchers catch light in a funnel

Professor Ronny Thomale holds a chair for theoretical condensed matter physics, the TP1, at the Julius-Maximilian University of Würzburg. The discovery and theoretical description of new quantum states of matter is a prime ...

Nanomaterials Mar 13, 2020

Graphene solar heating film offers new opportunity for efficient thermal energy harvesting

Researchers at Swinburne University of Technology's Centre for Translational Atomaterials have developed a highly efficient solar absorbing film that absorbs sunlight with minimal heat loss and rapidly heats up to 83°C in ...

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