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
Researchers from North Carolina State University have developed a new tool for detecting and measuring the polarization of light based on a single spatial sampling of the light, rather than the multiple samples required by ...
Optics & Photonics
Jun 24, 2016
0
328
Ever since Kepler's observation in the 17th century that sunlight is one of the reasons that the tails of comets to always face away from the sun, it has been understood that light exerts pressure in the direction it propagates. ...
Optics & Photonics
Apr 25, 2016
105
503
Researches at Stockholm University are getting closer to light dark-matter particle models. Observations rule out some axion-like particles in the quest for the content of dark matter. The article is now published in the ...
General Physics
Apr 22, 2016
76
628
(Phys.org)—A team of researchers with members from Germany, the U.S. and Russia has found a way to measure the time it takes for an electron in an atom to respond to a pulse of light. In their paper published in the journal ...
The magnetic compass that birds use for orientation is affected by polarised light. This previously unknown phenomenon was discovered by researchers at Lund University in Sweden.
Plants & Animals
Jan 26, 2016
1
50
Laser physicists from the Max Planck Institute of Quantum Optics developed a measuring system for light waves in the near-infrared range.
Optics & Photonics
Jan 19, 2016
0
16
A discovery by University of Strathclyde researchers could have a major impact on advancing smaller, cheaper, laser-driven particle accelerators – and their potential applications.
Optics & Photonics
Jan 12, 2016
0
38
Astronomers are finding dozens of the fastest stars in our galaxy with the help of images from NASA's Spitzer Space Telescope and Wide-field Infrared Survey Explorer, or WISE.
Astronomy
Jan 5, 2016
11
1065
An optical device at nanoscale which allows light to pass in only one direction has been developed at TU Wien (Vienna). It consists of alkali atoms which are coupled to ultrathin glass fibres.
Nanophysics
Dec 14, 2015
0
1688
