New nanoparticle source generates high-frequency light
High-frequency light is useful. The higher the frequency of light, the shorter its wavelength—and the shorter the wavelength, the smaller the objects and details the light can be used to see.
High-frequency light is useful. The higher the frequency of light, the shorter its wavelength—and the shorter the wavelength, the smaller the objects and details the light can be used to see.
Nanophysics
Apr 27, 2023
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By superimposing two laser fields of different strengths and frequency, the electron emission of metals can be measured and controlled precisely to a few attoseconds. Physicists from Friedrich-Alexander-Universität Erlangen-Nürnberg ...
Optics & Photonics
Apr 26, 2023
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65
Laser-induced electrochemical deposition of metals on metals relies possibly on thermal and defect generation effects. When semiconductor substrates are chosen, locally photogenerated electrons can reduce metal ions resulting ...
Optics & Photonics
Apr 4, 2023
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22
Researchers at University of Tokyo, JTS PRESTO, Ludwig Maximilians Universität and Kindai University recently demonstrated the modulation of an electron source by applying laser light to a single fullerene molecule. Their ...
In a major breakthrough in the fields of nanophotonics and ultrafast optics, a Sandia National Laboratories research team has demonstrated the ability to dynamically steer light pulses from conventional, so-called incoherent ...
Optics & Photonics
Mar 20, 2023
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61
A team of researchers from the University of Twente has made a breakthrough in ultraefficient on-chip supercontinuum generation. The findings, published in the journal Advanced Photonics Research, represent a major step forward ...
Optics & Photonics
Mar 13, 2023
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The peculiar topological properties of some forms of matter have been researched for decades. Now, researchers at the Institute of Science and Technology Austria (ISTA) have discovered topological properties of simple diatomic ...
Condensed Matter
Mar 10, 2023
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229
In work published in Science, the team led by Prof. Dr. Ulf Peschel reports on measurements on a sequence of pulses that travel thousands of kilometers through glass fibers that are only a few microns thin. The researchers ...
Optics & Photonics
Mar 10, 2023
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A laser pulse surfing in the wake of an electron beam pulse could get upshifted from visible to extreme ultraviolet light, simulations done at the University of Michigan have shown.
General Physics
Feb 27, 2023
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87
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
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