The X-rays used to examine a broken leg in hospital are easy to produce. In industry, however, X-ray radiation of a completely different kind is needed—namely, X-ray laser pulses that are as short and high-energy as possible. ...
Optics & Photonics
Jan 18, 2023
0
36
When a material with magnetic properties, constructed from appropriately selected layers, is illuminated by a pulse from an X-ray laser, it instantly demagnetizes. This phenomenon, so far poorly understood, could in the future ...
Condensed Matter
Dec 15, 2022
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16
If scientists want to push the boundaries of, say, an X-ray laser, they may need to create some new technology. But occasionally there's no need to reinvent the wheel. Instead, scientists simply come up with a new way to ...
Optics & Photonics
Dec 6, 2022
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596
Silicon, an element abundant in Earth's crust, is currently the most widely used semiconductor material and is important in fields like engineering, geophysics and plasma physics. But despite decades of studies, how the material ...
Condensed Matter
Oct 14, 2022
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407
The laser that will be the most powerful in the United States is preparing to send its first pulses into an experimental target at the University of Michigan.
Optics & Photonics
Sep 15, 2022
0
80
Ultrafast science has made great advances in recent years. Attosecond pulses with photon energies lying in the soft X-ray range corresponding to the fundamental absorption edges of matter permit the study of electron dynamics ...
Optics & Photonics
Sep 2, 2022
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6
A research team from Shanghai Advanced Research Institute of the Chinese Academy of Sciences has proposed an external seeding mechanism, termed echo-enabled harmonic cascade (EEHC), for generating coherent and ultrashort ...
Optics & Photonics
Aug 9, 2022
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27
Using X-ray laser pulses, the structure of matter can be studied with previously unprecedented accuracy. However, the pulses are so violent that they destroy the sample being irradiated. Notwithstanding, a Polish-Japanese ...
Optics & Photonics
Jul 14, 2022
0
137
Rare earth elements (REEs), like lanthanum and cerium, are vital components in many everyday and emerging technologies, including smartphones, hard disks and clean energy. However, as concerns about the environmental impact ...
Earth Sciences
Jul 7, 2022
0
20
Unlike fictional laser swords, real laser beams do not interact with each other when they cross—unless the beams meet within a suitable material allowing for nonlinear light-matter interaction. In such a case, wave mixing ...
Optics & Photonics
May 20, 2022
2
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