News tagged with laser beams

Related topics: atoms

Two atoms entangled using microwaves for the first time

Physicists at the National Institute of Standards and Technology have for the first time linked the quantum properties of two separated ions (electrically charged atoms) by manipulating them with microwaves ...

Physics / Quantum Physics

created Aug 10, 2011 | popularity 4.8 / 5 (17) | comments 38 | with audio podcast

Scientists examine possibility of a phonon laser, or 'phaser'

(PhysOrg.com) -- While the optical laser celebrated its 50th anniversary earlier this year, some scientists have been working on a new type of coherent beam amplifier for sound rather than light. Scientists ...

Physics / General Physics

created Sep 07, 2010 | popularity 4.7 / 5 (29) | comments 25 | with audio podcast feature

Scientists Generate Black Hole Radiation in the Lab

(PhysOrg.com) -- Due to their violent nature and long distance from Earth, black holes and their surroundings are very difficult to study. Currently, the main method to observe a black hole is to use an X-ray ...

Physics / Plasma Physics

created Dec 07, 2009 | popularity 4.2 / 5 (35) | comments 11 feature

Using lasers to cool and manipulate molecules

(PhysOrg.com) -- "For years, we have been using laser cooling to trap and manipulate atoms," David DeMille tells PhysOrg.com. "This has been very useful for both basic science and many applications. Recent ...

Physics / General Physics

created Dec 07, 2009 | popularity 4.9 / 5 (14) | comments 0 feature

Building a more versatile laser

(PhysOrg.com) -- One of the drawbacks associated with using semiconductor lasers is that many of them can only produce a beam of a single wavelength, and can only send that beam in one direction at a time. ...

Physics / Optics & Photonics

created Nov 16, 2009 | popularity 4.5 / 5 (19) | comments 0 feature

Physicists Propose New Ultracold Scheme for Scalable Quantum Information Processing

(PhysOrg.com) -- Since 1994, when Peter Shor famously showed that a quantum computer could factor large numbers exponentially faster than any current classical algorithm, physicists have been investigating ...

Physics / Quantum Physics

created Jun 03, 2009 | popularity 4.1 / 5 (14) | comments 1 feature

Beamed-up lemon shark shows research promise (w/ Video)

(Phys.org) -- Not everyone is game enough to fit a laser beam on to a shark’s head and live to tell the tale intact, but not everyone is a marine biologist, either. Last month, marine biologist Luke Tipple, ...

Biology / Plants & Animals

created May 06, 2012 | popularity 2.8 / 5 (9) | comments 4 | with audio podcast report

No-photon laser: Physicists demonstrate 'superradiant' laser design

Physicists at JILA have demonstrated a novel "superradiant" laser design, which has the potential to be 100 to 1,000 times more stable than the best conventional visible lasers. This type of laser could boost ...

Physics / Optics & Photonics

created Apr 04, 2012 | popularity 4.9 / 5 (14) | comments 7 | with audio podcast

Physicists mix two lasers to create light at many frequencies

A team of physicists at UC Santa Barbara has seen the light, and it comes in many different colors. By aiming high- and low-frequency laser beams at a semiconductor, the researchers caused electrons to be ...

Physics / Optics & Photonics

created Mar 28, 2012 | popularity 4.6 / 5 (14) | comments 5 | with audio podcast

First-ever images of atoms moving in a molecule captured

Using a new ultrafast camera, researchers have recorded the first real-time image of two atoms vibrating in a molecule.

Physics / General Physics

created Mar 07, 2012 | popularity 4.3 / 5 (22) | comments 2 | with audio podcast

Exotic new matter expected in ultracold atoms

(PhysOrg.com) -- Just as NASA engineers test new rocket designs in computer studies before committing themselves to full prototypes, so physicists will often model matter under various circumstances to see whether something ...

Physics / Quantum Physics

created Feb 29, 2012 | popularity 4.5 / 5 (8) | comments 1 | with audio podcast

Atomtronics: A new phase

Just as NASA engineers test new rocket designs in computer studies before committing themselves to full prototypes, so physicists will often model matter under various circumstances to see whether something ...

Physics / General Physics

created Feb 19, 2012 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Physicists build highly efficient 'no-waste' laser

A team of University of California, San Diego researchers has built the smallest room-temperature nanolaser to date, as well as an even more startling device: a highly efficient, "thresholdless" laser that ...

Physics / General Physics

created Feb 08, 2012 | popularity 4.9 / 5 (23) | comments 5 | with audio podcast

Flipping an egg carton of light traps giant atoms

(PhysOrg.com) -- In an egg carton of laser light, University of Michigan physicists can trap giant Rydberg atoms with up to 90 percent efficiency, an achievement that could advance quantum computing and terahertz ...

Physics / General Physics

created Dec 23, 2011 | popularity 5 / 5 (4) | comments 7 | with audio podcast

Atoms dressed with light show new interactions, could reveal way to observe enigmatic particle

(PhysOrg.com) -- Scientists at the Joint Quantum Institute (JQI) have for the first time engineered and detected the presence of high angular momentum collisions between atoms at temperatures close to absolute ...

Physics / Quantum Physics

created Dec 08, 2011 | popularity 4.6 / 5 (7) | comments 1 | with audio podcast