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Search results for metasurface

Nanophysics Jun 18, 2020

Toward ultra-sensitive diagnostic chips

An international team, led by Swinburne researchers, has developed an ultra-thin nanostructure gold film—or metasurface—with the potential to revolutionize next-generation bio-sensing chips.

Optics & Photonics Jun 11, 2020

Ultra-thin camera lenses of the future could see the light of day

In the future, camera lenses could be thousands of times thinner and significantly less resource-intensive to manufacture. Researchers from Chalmers University of Technology, Sweden, now present a new technology for making ...

Optics & Photonics Jun 4, 2020

Metasurface opens world of polarization

Polarization, the direction in which light vibrates, is invisible to the human eye. Yet, so much of our optical world relies on the control and manipulation of this hidden quality of light.

Optics & Photonics Jun 3, 2020

Metasurface design methods can make LED light act more like lasers

UC Santa Barbara researchers continue to push the boundaries of LED design a little further with a new method that could pave the way toward more efficient and versatile LED display and lighting technology.

Optics & Photonics May 26, 2020

Performing optical logic operations by a diffractive neural network

Optical logical operations have sparked major interest in the past decade since they can enable many applications, particularly those involving high-throughput and on-the-fly data processing such as secured wireless communication ...

Optics & Photonics May 26, 2020

Saturable plasmonic metasurfaces for laser mode locking

Plasmonic metasurfaces are artificial 2-D sheets of plasmonic unit cells repeated in a subwavelength array, which give rise to unexpected wave properties that do not exist in nature. In the linear regime, their applications ...

Nanophysics May 15, 2020

Watching the in situ hydrogen diffusion dynamics in magnesium on the nanoscale

Switchable materials that have extreme material contrast and short switching times with negligible degradation can contribute to active plasmonic and nanophotonic systems. In order to understand their supreme properties, ...

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.

Nanophysics May 12, 2020

Generating color 3-D images with designed reflective metasurfaces under incoherent illumination

As part of an international collaboration with Southern University of Science and Technology in Shenzhen (China), London Centre for Nanotechnology researchers at King's College London have developed a novel way of generating ...

Condensed Matter May 5, 2020

A new law for metamaterials

Metamaterials, which are engineered to have properties not found in nature, have long been developed and studied because of their unique features and exciting applications. However, the physics behind their thermal emission ...

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