News tagged with laser

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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 (15) 2 | with audio podcast

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

Laser tripod for better levitation

(Phys.org) —Physicists from The Australian National University have shown that three lasers are better than one when it comes to levitating small but visible objects on light, designing an extremely precise ...

Oct 30, 2013 5 / 5 (2) 0 | with audio podcast

Watching the heart beat of molecules

A team of scientists around Prof. Theodor W. Hänsch and Dr. Nathalie Picqué at the Laser Spectroscopy Division of the Max Planck Institute of Quantum Optics (Garching), in a collaboration with the Ludwig-Maximilians-Universität ...

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

A new way to tune X-ray laser pulses

(Phys.org) —A new system at SLAC National Accelerator Laboratory's X-ray laser narrows a rainbow spectrum of X-ray colors to a more intense band of light, creating a much more powerful way to view fine ...

Mar 11, 2014 4.5 / 5 (4) 1

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 (15) 0 | with audio podcast