A research team led by UCLA electrical engineers has developed an artificial composite material to control of higher-frequency electromagnetic waves, such as those in the terahertz and far-infrared frequencies.
Condensed Matter
Oct 24, 2016
1
1883
A novel, highly energy efficient and ultrafast magnetization control scheme is successfully demonstrated by international team of scientists from the Netherlands, Germany, and Russia, as Nature Photonics publishes on 3 October ...
Optics & Photonics
Oct 4, 2016
0
2
Humans have harnessed large portions of the electromagnetic spectrum for diverse technologies, from X-rays to radios, but a chunk of that spectrum has remained largely out of reach. This is known as the terahertz gap, located ...
Nanophysics
Oct 3, 2016
0
615
Creating Terahertz radiation isn't easy, but it is extremely useful. It can, for example, be used for building chemical sensors to detect certain substances. For this purpose, however, the Terahertz light has to fulfil two ...
Optics & Photonics
Sep 30, 2016
0
13
MIT researchers and their colleagues are designing an imaging system that can read closed books.
Optics & Photonics
Sep 9, 2016
2
1027
Researchers have nearly doubled the continuous output power of a type of laser, called a terahertz quantum cascade laser, with potential applications in medical imaging, airport security and more. Increasing the continuous ...
Optics & Photonics
Jul 26, 2016
1
67
Most systems in nature are inherently nonlinear, meaning that their response to any external excitation is not proportional to the strength of the applied stimulus. Nonlinearities are observed, for example, in macroscopic ...
Plasma Physics
Jul 11, 2016
2
64
One of the most basic components of any communications network is a power splitter that allows a signal to be sent to multiple users and devices. Researchers from Brown University have now developed just such a device for ...
Optics & Photonics
Jun 29, 2016
0
637
An effective and less expensive tool for the inspection of food and drugs could soon be a reality. Scientists from the Fritz Haber Institute of the Max Planck Society in Berlin have been working with national and international ...
Optics & Photonics
Jun 17, 2016
0
20
Terahertz radiation—the band of electromagnetic radiation between microwaves and visible light—has promising applications in security and medical diagnostics, but such devices will require the development of compact, ...
Optics & Photonics
Jun 13, 2016
0
1396
