News tagged with optical device

Bilayer graphene gets a bandgap

Graphene is the two-dimensional crystalline form of carbon, whose extraordinary electron mobility and other unique features hold great promise for nanoscale electronics and photonics. But there's a catch: ...

dateJun 10, 2009 in Nanophysics
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Team develops new metamaterial device

An engineered metamaterial proved it can function as a state-of-the-art device in the complex terahertz range of the electromagnetic spectrum, setting a standard of performance for modulating tiny waves of radiation, according ...

dateFeb 24, 2009 in Optics & Photonics
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Tiny sensors put the squeeze on light

Microelectromechanical systems, known as MEMS, are ubiquitous in modern military systems such as gyroscopes for navigation, tiny microphones for lightweight radios, and medical biosensors for assessing the ...

dateOct 24, 2013 in Optics & Photonics
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Organic chemistry: Leading light waves astray

The development of structured synthetic materials with unusual electromagnetic properties, so-called metamaterials, promises to provide access to special physical effects of great technological interest. Metamaterials have ...

dateJun 04, 2013 in Materials Science
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Spheres can form squares

Everybody who has tried to stack oranges in a box knows that a regular packing of spheres in a flat layer naturally leads to a hexagonal pattern, where each sphere is surrounded by six neighbours in a honeycomb-like ...

dateMay 24, 2013 in Soft Matter
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