Identifying new sources that produce electrons faster could help to advance the many imaging techniques that rely on electrons. In a recent paper published in Physical Review Letters, a team of researchers at Eindhoven University ...
High power/energy ultrafast fiber lasers have broadband applications in material processing, medicine, advanced manufacturing and other fields. Compared with solid-state lasers, fiber lasers have the advantages of compact ...
Optics & Photonics
May 18, 2023
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Flying thousands of feet above the Sierra Nevada in a plane equipped with specialized imaging devices, Elizabeth Carey has been scanning the mountains with lasers to precisely map the snow.
Earth Sciences
May 16, 2023
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Seeking new techniques to enable quantum networking, Harvard University researchers have developed a novel laser-based strategy for creating single-atom, near-surface material defects, which can be used to form qubits, the ...
Optics & Photonics
May 15, 2023
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Researchers in Germany and the U.S. have shown for the first time that terahertz (THz) light pulses can stabilize ferromagnetism in a crystal at temperatures more than three times its usual transition temperature. As the ...
Condensed Matter
May 4, 2023
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167
Skimming 100 feet above the Gulf waters at 13 miles per hour and blasting out 700,000 laser pulses every second, a drone flies over this oyster reef off the Big Bend coast of western Florida in early 2021. A few minutes later, ...
Ecology
May 1, 2023
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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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Century-old sugar maples in Wisconsin. Five-hundred-year-old cedars in Oklahoma. Fifty-foot-wide oaks in Georgia. These trees grace our nation's old-growth forests, and scientists say they hold unexplored mysteries from their ...
Earth Sciences
Apr 21, 2023
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The flow of matter, from macroscopic water currents to the microscopic flow of electric charge, underpins much of the infrastructure of modern times. In the search for breakthroughs in energy efficiency, data storage capacity, ...
Optics & Photonics
Apr 13, 2023
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