Light waves trapped on a metal's surface, called surface plasmons, travel farther than expected, up to 250 microns from the source. While this distance is just one-hundredth of an inch, it is far enough to possibly be useful ...
Nanophysics
Aug 11, 2015
0
28
Physicists from Regensburg and Marburg, Germany have succeeded in taking a slow-motion movie of speeding electrons in a solid driven by a strong light wave. In the process, they have unraveled a novel quantum phenomenon, ...
General Physics
Jul 30, 2015
1
279
A team of researchers from the University of Cambridge have unravelled one of the mysteries of electromagnetism, which could enable the design of antennas small enough to be integrated into an electronic chip. These ultra-small ...
General Physics
Apr 8, 2015
59
3712
The pseudogap, a state characterized by a partial gap and loss of coherence in the electronic excitations, has been associated with many unusual physical phenomena in a variety of materials ranging from cold atoms to colossal ...
Superconductivity
Apr 8, 2015
1
360
Microwave communication is ubiquitous in the modern world, with electromagnetic waves in the tens of gigahertz range providing efficient transmission with wide bandwidth for data links between Earth-orbiting satellites and ...
Nanomaterials
Mar 23, 2015
1
24
The performance of mobile phone cameras and solar cells could be boosted by "nano-earthquakes", researchers have found.
Optics & Photonics
Mar 12, 2015
2
47
The ability to control the intrinsic angular momentum of individual electrons – their "spins" – could lead to a world of new technologies that involve storing and processing information.
Optics & Photonics
Mar 9, 2015
1
115
(Phys.org)—Light behaves both as a particle and as a wave. Since the days of Einstein, scientists have been trying to directly observe both of these aspects of light at the same time. Now, scientists at EPFL have succeeded ...
Optics & Photonics
Mar 2, 2015
104
73477
High-power microwaves are frequently used in civil applications, such as radar and communication systems, heating and current drive of plasmas in fusion devices, and acceleration in high-energy linear colliders. They can ...
General Physics
Feb 11, 2015
3
301
Scientists at King's have built on research they conducted last year to achieve previously unseen levels of control over the travelling direction of electromagnetic wave in waveguides and proved that the process works equally ...
Optics & Photonics
Nov 14, 2014
0
0
