News tagged with optical pulses


Bouncing atoms may be the key to the future of gravimetry

Physics / General Physics

created Apr 27, 2009 | popularity 4.4 / 5 (14) | comments 1

(PhysOrg.com) -- When studying cold atoms, scientists often use magnetic or optical traps to keep the atoms in place. However, in some cases experimentalists want to study free atoms, avoiding the effects of a trap. "One ...





Search results for optical pulses


Scientists in Japan design first optical pacemaker for laboratory research

Physics / General Physics

created May 28, 2008 | popularity 4.4 / 5 (12) | comments 0

The world's first optical pacemaker is described in an article published today in Optics Express, the Optical Society’s open-access journal. A team of scientists at Osaka University in Japan show that powerful, but very s ...


Fiber-optic booster on a chip

Fiber-optic booster on a chip

Physics / General Physics

created Feb 20, 2008 | popularity 4.6 / 5 (35) | comments 0

More and more of our communications -- from text messages to high-definition television -- travel over optical fiber. At last count the United States was crisscrossed by more than 80 million miles of it, with ...


Liquid Crystals Slow Light Pulses to a Snail's Pace

Liquid Crystals Slow Light Pulses to a Snail's Pace

Physics / General Physics

created Jun 10, 2008 | popularity 4.6 / 5 (100) | comments 13

In a vacuum, the speed of a light pulse is always a constant at 186,000 miles (300,000 km) per second. But by changing the medium through which light travels, physicists can slow down light pulses, and possibly ...


Making monster waves

Making monster waves

Physics / General Physics

created Oct 19, 2009 | popularity 4.5 / 5 (6) | comments 0

Rogue waves -- giant waves that spring up suddenly and tower over the seas around them—have inspired physicists to look for an analogue in light. These high-intensity pulses can cross large distances without ...


Physicists achieve all-optical buffering of images

Physics / General Physics

created Feb 06, 2007 | popularity 4.7 / 5 (27) | comments 0

Researchers at the University of Rochester have demonstrated that optical pulses in an imaging system can be buffered in a slow-light medium, while preserving the information of the image.


Researchers build world's first mode-locked silicon evanescent laser

Physics / General Physics

created Aug 21, 2007 | popularity 4.6 / 5 (27) | comments 0

Researchers at UC Santa Barbara have announced they have built the world's first mode-locked silicon evanescent laser, a significant step toward combining lasers and other key optical components with the existing electronic ...


World’s Tiniest Nanophotonic Switch

Nanophotonic switch device for routing light on a chip scale

Nanotechnology / Nanophysics

created Mar 17, 2008 | popularity 4.6 / 5 (44) | comments 2

IBM scientists today took another significant advance towards sending information inside a computer chip by using light pulses instead of electrons by building the world’s tiniest nanophotonic switch with ...


New technique measures ultrashort laser pulses at focus

New technique measures ultrashort laser pulses at focus

Physics / General Physics

created May 08, 2008 | popularity 4.5 / 5 (13) | comments 0

Lasers that emit ultrashort pulses of light are used for numerous applications including micromachining, microscopy, laser eye surgery, spectroscopy and controlling chemical reactions. But the quality of the ...


Scientists build first 'frequency comb' to display visible 'teeth'

Scientists Build First 'Frequency Comb' To Display Visible 'Teeth'

Physics / General Physics

created Oct 29, 2009 | popularity 4.9 / 5 (15) | comments 0

(PhysOrg.com) -- Finally, an optical frequency comb that visibly lives up to its name. Scientists at the University of Konstanz in Germany and the National Institute of Standards and Technology in the U.S. ...


Ultrashort light pulse blazes new paths for science, industry

Ultrashort light pulse blazes new paths for science, industry

Physics / General Physics

created May 01, 2007 | popularity 4.4 / 5 (23) | comments 0

Researchers in Italy have created an ultrashort light pulse—a single isolated burst of extreme-ultraviolet light that lasts for only 130 attoseconds. Their achievement currently represents the shortest artificial ...



List of search results for optical pulses