News tagged with laser light

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Spinning atoms in light crystals

(Phys.org) —After more than 40 years of intense research, experimental physicists still seek to explore the rich behaviour of electrons confined to a two-dimensional crystalline structure exposed to large ...

Oct 30, 2013
3.6 / 5 (13) 0 | with audio podcast

Graphene can emit laser flashes

Graphene is considered the jack-of-all-trades of materials science: The two-dimensional honeycomb-shaped lattice made up of carbon atoms is stronger than steel and exhibits extremely high charge carrier mobilities. ...

Oct 25, 2013
5 / 5 (17) 0 | with audio podcast

Bright, laser-based lighting devices

As a modern culture, we crave artificial white lights—the brighter the better, and ideally using less energy than ever before. To meet the ever-escalating demand for more lighting in more places and to ...

Sep 27, 2013
4.7 / 5 (16) 2 | with audio podcast

Researchers use nanoparticles to fight cancer

Researchers at the University of Georgia are developing a new treatment technique that uses nanoparticles to reprogram immune cells so they are able to recognize and attack cancer. The findings were published ...

Aug 14, 2013
5 / 5 (10) 0 | with audio podcast

A new tool to split X-ray laser pulses

(Phys.org) —A new tool at SLAC's Linac Coherent Light Source splits individual X-ray laser pulses into two pulses that can hit a target one right after another with precisely controlled timing, allowing ...

Aug 08, 2013
4.2 / 5 (6) 0 | with audio podcast

Physicists freeze motion of light for a minute

Physicists in Darmstadt have been able to stop something that has the greatest possible speed and that never really stops. We're talking about light. Already a decade ago, physicists stopped it very for a short moment. In ...

Aug 06, 2013
4.8 / 5 (29) 7 | with audio podcast

New test bed probes the origin of pulses at LCLS

It all comes down to one tiny spot on a diamond-cut, highly pure copper plate. That's where every X-ray laser pulse at SLAC's Linac Coherent Light Source gets its start. That tiny spot must be close to perfect or it can impair ...

Jul 24, 2013
3 / 5 (2) 0 | with audio podcast