Graphene may be tough, but those who handle it had better be tender. The environment surrounding the atom-thick carbon material can influence its electronic performance, according to researchers at Rice and Osaka universities ...
Nanomaterials
Aug 13, 2014
0
0
Scientists have found that two-dimensional (2D) nanostructures with asymmetric design enable a new quantum mechanism, triggering the emission of tunable light at terahertz frequencies—with unprecedented efficiency.
General Physics
Jun 18, 2014
0
0
Researchers at Sandia National Laboratories, along with collaborators from Rice University and the Tokyo Institute of Technology, are developing new terahertz detectors based on carbon nanotubes that could lead to significant ...
Nanophysics
Jun 11, 2014
1
0
Imagine a technology that could allow us to see through opaque surfaces without exposure to harmful x-rays, that could give us the ability to detect harmful chemicals and bio-agents from a safe distance, and that could enable ...
General Physics
Jun 5, 2014
2
0
Antireflection coatings are familiar from their use in everyday optical devices, such as glasses and lenses. They can increase the amount of light that passes through optical instruments by reducing the fraction of light ...
Optics & Photonics
May 21, 2014
0
0
Is it a harmless parcel or a bomb, an innocent letter or a drug shipment? A new terahertz scanner is capable of detecting illicit drugs and explosives sent by post without having to open suspicious packages or envelopes.
General Physics
May 21, 2014
0
0
(Phys.org) —To keep your new car looking sleek and shiny for years, factories need to make certain that the coats of paint on it are applied properly. But ensuring that every coat of paint—whether it is on a car or anything ...
Optics & Photonics
May 20, 2014
0
0
A device that essentially listens for light waves could help open up the last frontier of the electromagnetic spectrum—the terahertz range.
Optics & Photonics
May 19, 2014
3
0
Terahertz radiation, part of the frequency spectrum of light between microwaves and infrared, can pass through many materials and is potentially useful for applications such as airport security scanning. Commercial use of ...
General Physics
May 9, 2014
0
0
Terahertz imaging, which is already familiar from airport security checkpoints, has a number of other promising applications—from explosives detection to collision avoidance in cars. Like sonar or radar, terahertz imaging ...
Engineering
May 5, 2014
1
0
