Metasurfaces are highly versatile for manipulating the amplitude, phase, or polarization of light. During the last decade, metasurfaces have been proposed for a vast range of applications—from imaging and holography to ...
Optics & Photonics
Feb 23, 2023
0
124
The advent of intense ultrashort coherent light pulses has revolutionized the spectroscopy field. They allow easy observation of various nonlinear optical effects and facilitate the characterization of materials with nonlinear ...
Optics & Photonics
Feb 3, 2023
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3
With some careful twisting and stacking, MIT physicists have revealed a new and exotic property in "magic-angle" graphene: superconductivity that can be turned on and off with an electric pulse, much like a light switch.
Nanophysics
Jan 30, 2023
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1307
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
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36
Researchers from the University of Tsukuba have shown how adding a tiny resonator structure to an ultrafast electron pulse detector reduced the intensity of terahertz radiation required to characterize the pulse duration.
Optics & Photonics
Dec 15, 2022
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141
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
0
596
How fast do electrons inside a molecule move? Well, it is so fast that it takes them just a few attoseconds (a billionth of billionth of a second) to jump from one atom to another. Blink and you missed it—millions of billions ...
Optics & Photonics
Dec 5, 2022
0
665
Research from the University of Liverpool has revealed that our Paleolithic ancestors enjoyed vegetarian meals and cooked up sophisticated, flavorsome recipes including flatbread-like items.
Paleontology & Fossils
Nov 23, 2022
0
151
The research team led by Professor Sanghoon Lee from the Department of Robotics and Mechatronics Engineering at DGSIT (President Yang Kuk) successfully developed a rotation-based triboelectric neuro-stimulator (RoTENS) capable ...
Bio & Medicine
Nov 16, 2022
0
103
Scientists from the Faculty of Physics at the University of Warsaw and the Polish Academy of Sciences used photons to create a spiking neuron, the basic element of the future photonic neural network processor. The results ...
Optics & Photonics
Oct 24, 2022
0
24
