News tagged with laser beams

Related topics: atoms

Research group creates longer lived and more efficient quantum memory

(Phys.org) -- One of the main sticking points to creating a true quantum computer capable of performing meaningful work, is the problem of storing quantum state information in memory. Recent efforts have resulted in highly ...

Physics / Quantum Physics

created May 30, 2012 | popularity 5 / 5 (8) | comments 0 | with audio podcast report

Watching an electron being born

Atomic processes take place on extremely short time scales. Measurements at the Vienna University of Technology (TU Vienna) can now visualize these processes.

Physics / General Physics

created May 15, 2012 | popularity 5 / 5 (5) | comments 1

Laser scan at full speed

Is a contact wire missing or is it faulty? What‘s the situation in front of the entrance to a railway station or a tunnel? A 3D laser scanner can increase the train‘s safety and reliability.

Physics / General Physics

created May 10, 2012 | popularity 5 / 5 (2) | comments 0

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

3D-printer with nano-precision

Printing three dimensional objects with incredibly fine details is now possible using "two-photon lithography". With this technology, tiny structures on a nanometer scale can be fabricated. Researchers at ...

Nanotechnology / Nanophysics

created Mar 13, 2012 | popularity 4.9 / 5 (29) | comments 8 | 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

Physicist tackles atomtronics

(PhysOrg.com) -- Atomtronics is a relatively new science devoted to creating artificial tailored materials consisting of neutral atoms held in an array with laser beams, or atoms moving along a desired track under electric ...

Physics / General Physics

created Mar 06, 2012 | popularity 4.5 / 5 (10) | comments 0 | 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

Finding explosives with laser beams

Scientists at Vienna University of Technology have found a way to detect chemicals over long distances, even if they are enclosed in containers.

Technology / Engineering

created Feb 27, 2012 | popularity 5 / 5 (1) | comments 0

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

Virtual ghost imaging: New technique enables imaging even through highly adverse conditions

Ghost imaging (GI), and its even more oddly named cousin virtual ghost imaging (VGI), seem to contradict conventional wisdom by being able to image an object by simply counting photons in a "light bucket." This non-intuitive ...

Physics / General Physics

created Feb 15, 2012 | popularity 4.7 / 5 (7) | 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

Researchers at SLAC test collider closer to creating fully coherent X-rays

(PhysOrg.com) -- Many advanced laser technologies, such as laser spectroscopy, that use precise wavelengths of infrared, visible or ultraviolet laser light could benefit from using X-ray light as well. But ...

Physics / General Physics

created Feb 01, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast