(Phys.org) -- When an intense laser pulse interacts with an atom it generates agitation on the micro scale. A rather likely outcome of this interaction is single ionization, where one electron is ejected from the atom. From ...
General Physics
May 8, 2012
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(Phys.org) -- Researchers at the National Institute of Standards and Technology (NIST) have developed a novel way of producing light pulses that are "superluminal"—in some sense they travel faster than the speed of light. ...
General Physics
May 3, 2012
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Tourists who drift aimlessly during a sightseeing tour are moving randomly - just like electrons that move from one atom to the next. To obtain a better understanding of these random motions it is often useful to reduce their ...
Quantum Physics
Mar 21, 2012
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(PhysOrg.com) -- Physicists at MPQ (Max Planck Institute) succeed in resolving the internal dynamics of individual molecules using UV femtosecond laser pulses.
General Physics
Feb 7, 2012
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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 (Princeton University) ...
Astronomy
Nov 3, 2011
54
1
(PhysOrg.com) -- An international team of scientists successfully concentrated the energy of infrared laser pulses using a nano funnel enabling them to generate extreme ultraviolet light pulses, which repeated 75 million ...
Optics & Photonics
Oct 17, 2011
7
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(PhysOrg.com) -- An expedition through the fast-paced microscopic world of atoms reveals electrons that spin around at enormous speeds and have gigantic forces are acting on them. Monitoring the ultrafast motion of these ...
Optics & Photonics
Sep 9, 2011
2
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Quantum communication could be an option for the absolutely secure transfer of data. The key component in quantum communication over long distances is the special phenomenon called entanglement between two atomic systems. ...
Quantum Physics
Aug 17, 2011
3
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(PhysOrg.com) -- In a paper published in the US journal Optical Materials Express this week, Macquarie University researchers show that even the earth's hardest naturally occurring material, the diamond, is not forever.
Condensed Matter
Jul 18, 2011
13
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(PhysOrg.com) -- UCSF researchers have for the first time shown that an external optical pacemaker can be used in a vertebrate to control its heart rate.
Analytical Chemistry
Nov 16, 2010
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