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Search results for metamaterials

Optics & Photonics Jul 23, 2021

Cascaded metasurfaces for dynamic control of THz wavefronts

Electromagnetic (EM) waves in the terahertz (THz) regime contribute to important applications in communications, security imaging, and bio- and chemical sensing. Such wide applicability has resulted in significant technological ...

Optics & Photonics Jul 23, 2021

Generation and application of the high-Q resonance in all-dielectric metasurfaces

In a new publication from Opto-Electronic Advances, researchers led by Professor Liu Yan from Xidian University, China and Professor Gan Xuetao from Northwestern Polytechnical University, China, consider generation and application ...

Mathematics Jul 14, 2021

New study provides a solution for engineering cellular materials

A new study by a Swansea University academic has announced a new mathematical formula that will help engineers assess the point at which cellular materials, which are used a wide range of applications ranging from aerospace ...

Quantum Physics Jun 29, 2021

A new type of quasiparticle

Russian scientists have experimentally proved the existence of a new type of quasiparticle—previously unknown excitations of coupled pairs of photons in qubit chains. This discovery could be a step towards disorder-robust ...

General Physics Jun 23, 2021

The first observation of the superscattering effect of metamaterials

Entering an invisible doorway to catch a train at King's Cross station in London is a renowned fictional scene from the Harry Potter series. In recent decades, physicists have been trying to produce a similar effect by focusing ...

General Physics Jun 17, 2021

The demonstration of hydrodynamic cloaking and shielding at the microscale

Researchers at Technion—Israel Institute of Technology, Technische Universität Darmstadt, and IBM Research Europe have recently proposed a new strategy to simultaneously achieve microscale hydrodynamic cloaking and shielding. ...

Optics & Photonics Jun 15, 2021

Bending light for safer driving; invisibility cloaks to come?

Optical cloaking allows objects to be hidden in plain sight or to become invisible by guiding light around anything placed inside the cloak. While cloaking has been popularized in fiction, like in the "Harry Potter" books, ...

Optics & Photonics Jun 14, 2021

Near-field routing of hyperbolic metamaterials

Near-field light is invisible light at the subwavelength scale. Harnessed for a variety of practical applications, such as wireless power transfer, near-field light has an increasingly significant role in the development ...

Nanophysics Jun 10, 2021

Novel liquid crystal metalens offers electric zoom

Researchers from Cornell University's School of Applied and Engineering Physics and Samsung's Advanced Institute of Technology have created a first-of-its-kind metalens—a metamaterial lens—that can be focused using voltage ...

Nanomaterials Jun 10, 2021

Researchers have turned transparent calcite into artificial gold

In a breakthrough in metamaterials, for the first time in the world, researchers at Tel Aviv University have developed an innovative nanotechnology that transforms a transparent calcite nanoparticle into a sparkling gold-like ...

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