News tagged with laser alignment
New Research Promises Better Atomic Clocks
Apr 22, 2009 |
4.7 / 5 (9) |
1
(PhysOrg.com) -- The most accurate timekeepers in the world are atomic clocks, which tell time based on the absorption of a very specific and unchanging microwave frequency, which induces electrons in an atom to “jump” from ...
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Coke Bottle Quantum Physics
Apr 16, 2009 |
4.1 / 5 (12) |
1
(PhysOrg.com) -- Don't be fooled by the collection of empty soda bottles in James Cryan's office at SLAC National Accelerator Laboratory. Cryan isn't a caffeine fiend—the cola bottles are for science. As a ...
Tailoring the optical dipole force for use on molecules
Oct 29, 2009 |
3.5 / 5 (6) |
1
(PhysOrg.com) -- "Scientists have been working with dipole fields for quite some time," Peter Barker tells PhysOrg.com. "However, most of the work is focused on very small particles, like atoms, or on larger particles, such a ...
Precise Alignment to Quantum Dots
May 12, 2008 |
4.7 / 5 (33) |
0
“Precise lithographic alignment to site-controlled quantum dots is of major importance for numerous nano-photonic, nano-electronic and nano-spintronic devices,” Sven Höfling tells PhysOrg.com.
First Pump-Probe Experiment at Linac Coherent Light Source Completed
Nov 30, 2009 |
4.7 / 5 (12) |
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(PhysOrg.com) -- The first experiment using the Linac Coherent Light Source to illuminate molecules via a "pump-probe" technique has been completed by an international team of more than 30 scientists from ...
Roadrunner supercomputer models nonlinear physics of high-power lasers
Oct 28, 2009 |
4 / 5 (4) |
1
For years scientists have struggled with the difficult physics of inertial confinement fusion. This is the attempt to compress a target capsule containing isotopes of hydrogen with high-powered lasers to high enough pressure ...
Scientists demonstrate highly directional semiconductor lasers
Jul 27, 2008 |
4.7 / 5 (31) |
1
Applied scientists at Harvard collaborating with researchers at Hamamatsu Photonics in Hamamatsu City, Japan, have demonstrated, for the first time, highly directional semiconductor lasers with a much smaller ...
Researchers use trident laser to accelerate protons to record energies
Nov 02, 2009 |
4.8 / 5 (8) |
10
An international team of physicists at Los Alamos National Laboratory has succeeded in using intense laser light to accelerate protons to energies never before achieved. Using this technique, scientists can ...
Can silver nanoparticles be the key to a more compact laser?
Jun 09, 2008 |
4.4 / 5 (22) |
3
“In random media, multiple scattering and interference reduce the diffusion of light, and in case of extremely strong scattering, photon localization, or Anderson localization of light, is predicted like electrons in glasses,” ...
Powerful laser sheds light on fast ignition and high energy density physics
Nov 02, 2009 |
3.8 / 5 (5) |
0
A new generation of high-energy (>kJ) petawatt (HEPW) lasers is being constructed worldwide to study high intensity laser matter interactions, including fast ignition. Fast ignition is a laser-based technique ...
Lasers put a shine on metals
Nov 03, 2009 |
4.8 / 5 (8) |
2
(PhysOrg.com) -- Polishing metal surfaces is a demanding but monotonous task, and it is difficult to find qualified young specialists. Polishing machines do not represent an adequate alternative because they ...
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