The hunt for Earth-like planets around distant stars could soon become a lot easier thanks to a technique developed by researchers in Germany.
Astronomy
Feb 17, 2015
1
56
Berkeley engineers have created a new type of semiconductor laser that accomplishes an elusive goal in the field of optics: the ability to maintain a single mode of emitted light while maintaining the ability to scale up ...
General Physics
Jun 29, 2022
0
173
To disinfect a surface, you can illuminate it with a blast of ultraviolet (UV) light, which is bluer than the human eye can see. But to specifically inactivate SARS-CoV-2, the virus that causes COVID-19, which wavelengths ...
Optics & Photonics
Jun 10, 2022
1
51
Researchers at MIT have succeeded in producing and measuring a coupling of photons and electrons on the surface of an unusual type of material called a topological insulator. This type of coupling had been predicted by theorists, ...
General Physics
Oct 24, 2013
2
0
New laser-effect, discovered by scientists from the Vienna University of Technology, Princeton, Yale and ETH Zurich: If coupled, lasers can switch each other off, leading to a "laser blackout".
Optics & Photonics
Apr 25, 2012
18
0
Quantum mechanics is one of the most successful theories of natural science, and although its predictions are often counterintuitive, not a single experiment has been conducted to date of which the theory has not been able ...
Optics & Photonics
Oct 17, 2019
0
134
Red, green, and blue lasers have become small and cheap enough to find their way into products ranging from BluRay DVD players to fancy pens, but each color is made with different semiconductor materials and by elaborate ...
Nanophysics
Apr 29, 2012
0
0
Physicists at the National Institute of Standards and Technology (NIST) have used common electronics to build a laser that pulses 100 times more often than conventional ultrafast lasers. The advance could extend the benefits ...
Optics & Photonics
Sep 27, 2018
4
192
Tracking blood flow in the laboratory is an important tool for studying ailments like migraines or strokes and designing new ways to address them. Blood flow is also routinely measured in the clinic, and laser speckle contrast ...
Optics & Photonics
Sep 26, 2013
2
0
A new technique that combines optical plates to manipulate laser light improves the quality of holograms.
Optics & Photonics
Nov 6, 2013
0
0
