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Search results for metamaterial

General Âé¶¹ÒùÔºics Oct 9, 2019

Âé¶¹ÒùÔºicists report a way to 'hear' dark matter

Âé¶¹ÒùÔºicists at Stockholm University and the Max Planck Institute for Âé¶¹ÒùÔºics have turned to plasmas in a proposal that could revolutionise the search for the elusive dark matter.

Optics & Photonics Oct 4, 2019

New metasurface design can control optical fields in three dimensions

A team led by scientists at the University of Washington has designed and tested a 3-D-printed metamaterial that can manipulate light with nanoscale precision. As they report in a paper published Oct. 4 in the journal Science ...

Nanophysics Oct 4, 2019

3-D printing technique accelerates nanoscale fabrication 1000-fold

Using a new time-based method to control light from an ultrafast laser, researchers have developed a nanoscale 3-D printing technique that can fabricate tiny structures 1000 times faster than conventional two-photon lithography ...

Nanophysics Oct 2, 2019

Quantizing single-molecule surface enhanced Raman Scattering with DNA origami metamolecules

Tailored metal nanoclusters can be actively developed in the lab to manipulate light at the subwavelength scale for nanophotonic applications. However, their precise molecular arrangement in a hotspot with fixed numbers and ...

General Âé¶¹ÒùÔºics Sep 30, 2019

New 3-D-printed lattice designs defy conventional wisdom on metamaterials

Lawrence Livermore National Laboratory (LLNL) researchers have designed a new class of 3-D-printed lattice structures that combine lightweight and high stiffness, despite breaking a rule previously thought to be required ...

Optics & Photonics Sep 25, 2019

Machine learning finds new metamaterial designs for energy harvesting

Electrical engineers at Duke University have harnessed the power of machine learning to design dielectric (non-metal) metamaterials that absorb and emit specific frequencies of terahertz radiation. The design technique changed ...

Materials Science Sep 19, 2019

Artificial materials reconstruct porpoise's echolocation

Over millions of years, porpoises have developed powerful biosonar with high accuracy and intelligence to detect and track prey in noisy underwater environments. The sound source in a porpoise is about one half of the wavelength ...

Optics & Photonics Sep 12, 2019

Researchers use metamaterials to create two-part optical security features

Researchers have developed advanced optical security features that use a two-piece metamaterial system to create a difficult-to-replicate optical phenomenon. Metamaterials are engineered to have a property that is not found ...

Materials Science Sep 11, 2019

New metamaterial morphs into new shapes, taking on new properties

A newly developed type of architected metamaterial has the ability to change shape in a tunable fashion.

General Âé¶¹ÒùÔºics Sep 10, 2019

Making waves with metamaterials

For Jordan Raney, assistant professor in the Department of Mechanical Engineering and Applied Mechanics, cutting-edge science sometimes involves whacking a rubber disc with a hammer.

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