Since the earliest demonstration of chirped-pulse amplification (CPA) and optical parametric chirped-pulse amplification (OPCPA), femtosecond lasers have been able to deliver ultrahigh peak powers up to ten-petawatt (PW), ...
Optics & Photonics
Sep 15, 2022
0
17
The strong terahertz (THz) waves generated by femtosecond laser pulse induced gas plasma have drawn extensive attention owing to the ultra-wide spectral bandwidth, the high electric field strength, and no material damage ...
Optics & Photonics
Sep 9, 2022
0
44
The design of efficient solar cells, which harness energy to generate electricity or produce hydrogen by splitting water, has received much attention globally. Another route to harnessing abundant, free solar energy: using ...
Optics & Photonics
Sep 7, 2022
0
454
Lawrence Livermore National Laboratory (LLNL) researchers have designed a compact multi-petawatt laser that uses plasma transmission gratings to overcome the power limitations of conventional solid-state optical gratings. ...
Optics & Photonics
Aug 19, 2022
0
682
Topological insulators, or TIs, have two faces: Electrons flow freely along their surface edges, like cars on a superhighway, but can't flow through the interior of the material at all. It takes a special set of conditions ...
Optics & Photonics
Aug 18, 2022
0
214
National University of Singapore researchers have predicted that Landau levels belonging to different valleys in a two-dimensional (2D) valleytronic material, monolayer tungsten diselenide (WSe2), can be aligned at a critical ...
Condensed Matter
Jun 14, 2022
0
500
Scientists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) have uncovered critical new details about fusion facilities that use lasers to compress the fuel that produces fusion energy. ...
Plasma Physics
Jun 8, 2022
2
515
Producing low-cost metal-oxide thin films with high electronic quality for solar water splitting is not an easy task. Especially since quality improvements of the upper metal oxide thin films need thermal processing at high ...
Materials Science
Apr 4, 2022
0
234
Was there life on Mars? This is the question that the European Space Agency (ESA) is setting out to answer with its ExoMars mission. The mission, in which Russia is a participant, is scheduled to launch this fall, although ...
Space Exploration
Apr 1, 2022
0
15
A hybrid matter—an antimatter helium atom containing an antiproton, the proton's antimatter equivalent in place of an electron, has an unexpected response to laser light when immersed in superfluid helium, reports the ASACUSA ...
General Physics
Mar 17, 2022
0
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