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Search results for metamaterials

Optics & Photonics Jul 14, 2020

Underused part of the electromagnetic spectrum gets optics boost from metamaterial

Terahertz radiation, or T-rays, has barely been exploited compared to most of the rest of the electromagnetic spectrum. Yet T-rays potentially have applications in next-generation wireless communications (6G/7G), security ...

Nanomaterials Jul 3, 2020

Researchers propose novel method for plasmonic structural color generation

A research group led by Prof. Cao Hongtao at the Ningbo Institute of Materials Technology and Engineering (NIMTE) of the Chinese Academy of Sciences (CAS), has developed a novel direct growth method of vertically orientated ...

General Physics Jul 2, 2020

Thermophones offer new route to radically simplify array design, research shows

Scientists have pioneered a new technique to produce arrays of sound produced entirely by heat.

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 ...

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