Laser beams can do more than just heat things up; they can cool them down too. That is nothing new for physicists who have devoted themselves to precision spectroscopy and the development of optical atomic clocks. But what ...
Quantum Physics
Dec 13, 2021
0
439
Researchers from Basel and Bochum have succeeded in addressing an apparently unattainable energy transition in an artificial atom using laser light. Making use of the so-called radiative Auger process, they were the first ...
Optics & Photonics
Nov 24, 2021
0
379
Charged particle accelerators have been a central tool of basic physics research for almost a hundred years, perhaps most famously as "atom smashers" for understanding the elementary constituents of the universe. As accelerators ...
Plasma Physics
Nov 8, 2021
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18
U.S. Naval Research Laboratory experts race toward sustainable clean energy with advances in fusion energy. Steve Obenschain, Ph.D., a research physicist at NRL, said nuclear fusion would be a valuable addition to clean energy ...
Plasma Physics
Oct 26, 2021
0
54
Researchers have created tiny chip-based optical tweezers that can be used to optically levitate nanoparticles in a vacuum. Optical tweezers—which employ a tightly focused laser beam to hold living cells, nanoparticles ...
Optics & Photonics
Oct 21, 2021
1
69
The photocathode drive laser is one of the key parts of the beam test system of the Platform of Advanced Photon Source (PAPS). Recently, the researchers from Institute of High Energy Physics (IHEP) of the Chinese Academy ...
Optics & Photonics
Sep 10, 2021
0
24
Ultrafast laser spectroscopy allows to observe the motion of atoms at their natural time scales in the range of femtoseconds, the millionth of a billionth of a second. Electron microscopy, on the other hand, provides atomic ...
Nanomaterials
Sep 1, 2021
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811
Nuclear scientists using lasers the size of three football fields said Tuesday they had generated a huge amount of energy from fusion, possibly offering hope for the development of a new clean energy source.
Plasma Physics
Aug 18, 2021
17
3264
When molecules are excited, they can give rise to a variety of energy conversion phenomena, such as light emission and photoelectric or photochemical conversion. To unlock new energy conversion functions in organic materials, ...
Metal additive manufacturing (AM) promises to revolutionize the way we produce and use certain parts. Reducing material waste and labor time, metal AM simplifies the steps for creating complex geometry parts when compared ...
Materials Science
Jul 26, 2021
0
24
