Frontpage » Tag » laser

News tagged with laser

Related topics: light , laser beam , atoms , wavelength , nature photonics

Putting artificial atoms on the clock

Around the turn of the century, scientists began to understand that atoms have discrete energy levels. Within the field of quantum physics, this sparked the development of quantum optics in which light is ...

Physics / General Physics

created Nov 07, 2011 | popularity 5 / 5 (1) | comments 0

Space junk problem? Just fire a laser!

Imagine yourself as an astronaut performing scientific experiments and crowd-stunning aerobatics. Suddenly, ear-stinging, blaring alarms go off. Mission Control radios that all space station personnel should ...

Space & Earth / Space Exploration

created Nov 04, 2011 | popularity 4 / 5 (8) | comments 3 | with audio podcast

City lights could reveal E.T. civilization

In the search for extraterrestrial intelligence, astronomers have hunted for radio signals and ultra-short laser pulses. In a new paper, Avi Loeb (Harvard-Smithsonian Center for Astrophysics) and Edwin Turner ...

Space & Earth / Astronomy

created Nov 03, 2011 | popularity 4.6 / 5 (29) | comments 54 | with audio podcast

NASA studying ways to make 'tractor beams' a reality

Tractor beams -- the ability to trap and move objects using laser light -- are the stuff of science fiction, but a team of NASA scientists has won funding to study the concept for remotely capturing planetary ...

Physics / General Physics

created Oct 31, 2011 | popularity 4.3 / 5 (21) | comments 38 | with audio podcast

Spin lasers in the fast lane: New concept for ultrafast lasers developed

Electrical engineers in Bochum, Germany, have succeeded in developing a new concept for ultrafast semiconductor lasers. The researchers make clever use of the intrinsic angular momentum of electrons, called spin, to successfully ...

Physics / General Physics

created Oct 28, 2011 | popularity 5 / 5 (5) | comments 0

Bright lights, small systems: Molecular differentiation using free-electron lasers

(PhysOrg.com) -- Double-core-hole (DCH) states – in which two electrons are ejected from their positions, creating vacancies – occurring at different atomic sites are very sensitive to the chemical ...

Physics / General Physics

created Oct 28, 2011 | popularity 3.7 / 5 (3) | comments 0 | with audio podcast feature

Manipulating single molecules to unravel secrets of protein folding

Physicists at the Technische Universitaet Muenchen (TUM) are opening a new window into the life of biological cells, using a technique that lets them grab the ends of a single protein molecule and pull, making ...

Physics / General Physics

created Oct 27, 2011 | popularity 4.5 / 5 (6) | comments 0 | with audio podcast

High-quality white light produced by four-color laser source

(PhysOrg.com) -- The human eye is as comfortable with white light generated by diode lasers as with that produced by increasingly popular light-emitting diodes (LEDs), according to tests conceived at Sandia ...

Physics / Optics & Photonics

created Oct 26, 2011 | popularity 4.9 / 5 (10) | comments 19 | with audio podcast

Future 'comb on a chip': NIST's compact frequency comb could go places

Laser frequency combs -- extraordinarily precise tools for measuring frequencies (or colors) of light -- have helped propel advances in timekeeping, trace gas detection and related physics research to new ...

Physics / General Physics

created Oct 26, 2011 | popularity 5 / 5 (2) | comments 1 | with audio podcast

Engineers at Yale develop new type of mechanical memory

(PhysOrg.com) -- Research engineers at Yale University have succeeded in building a mechanical memory switch that is controlled and then read by lasers. In their paper published in Nature Nanotechnology, the te ...

Nanotechnology / Nanophysics

created Oct 25, 2011 | popularity 4.3 / 5 (3) | comments 1 | with audio podcast report

Extreme ultraviolet movies reveal inside story of complex materials

(PhysOrg.com) -- A new X-ray movie technique using extreme ultraviolet (XUV) pulses from Artemis (link opens in a new window), one of the world's most advanced lasers, could help unravel the mysteries of phenomena ...

Physics / Condensed Matter

created Oct 21, 2011 | popularity 5 / 5 (4) | comments 2 | with audio podcast

Tokyo tech fair opens with robotic clapping of hands

From robotic hand-clapping arms to a device that could show tsunami alerts in the sky, Japanese technology researchers showcased their latest inventions in Tokyo Thursday.

Technology / Hi Tech & Innovation

created Oct 20, 2011 | popularity 3.5 / 5 (2) | comments 2

'Microring' device could aid in future optical technologies

(PhysOrg.com) -- Researchers at Purdue University and the National Institute of Standards and Technology (NIST) have created a device small enough to fit on a computer chip that converts continuous laser light ...

Physics / Optics & Photonics

created Oct 19, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Eye on ionization: Visualizing and controlling bound electron dynamics in strong laser fields

(PhysOrg.com) -- Subatomic events can be remarkably counterintuitive. Such is the case in theoretical physics when, under certain specific conditions, atoms exposed to intense infrared laser pulses remain ...

Physics / General Physics

created Oct 19, 2011 | popularity 5 / 5 (5) | comments 3 | with audio podcast feature

Kodak to license laser projection patents to Imax

(AP) -- Eastman Kodak Co. said Sunday that it will license thousands of patents to Imax in a deal that will supply the troubled photography company with millions of dollars.

Technology / Business

created Oct 17, 2011 | popularity not rated yet | comments 0