Search results for metamaterial

General Physics Jun 23, 2020

Transferring orbital angular momentum of light to plasmonic excitations in metamaterials

The vortex beam with orbital angular momentum (OAM) is a new and ideal tool to selectively excite dipole forbidden states through linear optical absorption. The emergence of the vortex beam with OAM provides intriguing opportunities ...

Materials Science Jun 18, 2020

Researchers create a new class of rate-sensitive mechanical metamaterials

Researchers at the Department of Biomechanical Engineering of Delft University of Technology have created a new class of metamaterials that can dynamically switch their mechanical behavior. It may form the basis for practical ...

General Physics Jun 16, 2020

A fractional corner anomaly reveals higher-order topology

Topological insulators (TIs) have an insulating interior and support conducting surface states with additional interfacing properties. The exotic metallic states on their surfaces can provide new routes to generate new phases ...

Quantum Physics Jun 10, 2020

First confirmation of new theory by metamaterial

Topological metamaterials are applied as a novel platform to explore and study extraordinary effects. Instead of using natural materials, researchers artificially arrange the constituents of a topological metamaterial in ...

Optics & Photonics Jun 2, 2020

Extraordinary modulation of light polarization with dark plasmons in magnetoplasmonic nanocavities

Nanophotonics uses light polarization as an information carrier in optical communications, sensing, and imaging. Likewise, the state of polarization of light plays a key role in the photonic transfer of quantum information. ...

General Physics May 27, 2020

Designing a flexible material to protect buildings, military personnel

Stealth technology, the idea of reducing the ability of the enemy to detect an object, has driven advances in military research for decades. Today, aircraft, naval ships and submarines, missiles and satellites are often covered ...

Nanophysics May 25, 2020

Nanoscale optical pulse limiter facilitated by refractory metallic quantum wells

In the past several decades, physicists have conducted deep laboratory investigations into nonlinear optics, plasma physics and quantum science using advanced high-intensity, ultrashort-pulse lasers. Increased use of the ...

Nanophysics May 19, 2020

Three-dimensional self-assembly using dipolar interaction

In materials science, interactions between dipolar forces of permanent magnets can lead to form one-dimensional chains and rings. In a new report on Science Advances, Leon Abelmann and a research team in electronic components, ...

Optics & Photonics May 14, 2020

Waveguide array transports light without distortion

One of the challenges of optical microscopy is to continually increase the imaging power, or resolution. In the past three hundred odd years, scientists have been building ever-better microscopes. The limit, for a long time, ...

Optics & Photonics May 13, 2020

Inexpensively locating friendly (and unfriendly) radio waves

Electrical engineers at Duke University have devised a low-cost method for passively locating sources of radio waves such as Wi-Fi and cellular communication signals.

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