Light can compute functions during its propagation and interaction with structured materials, with high speed and low energy consumption. Achieving universal computing using all-optical neural networks requires optical activation ...
Optics & Photonics
Mar 19, 2024
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Researchers in Japan have discovered S0→Tn, a previously overlooked electronic transition in photoreactions occurring in heavy-atom-containing molecules exposed to visible light. The study was published online in Angewadte ...
Materials Science
Mar 11, 2020
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7
Pieces of plastic in the sea, chlorophyll content in bodies of water, the degree of drought in fields—since April 2022, the German environmental satellite EnMAP has been orbiting our Earth and will be collecting myriad ...
Optics & Photonics
Aug 1, 2022
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15
The asteroid and comet-hunting infrared space telescope has gathered an impressive haul of observations, but it's now at the mercy of the sun, which is accelerating its demise.
Astronomy
Dec 14, 2023
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Specim Oy, a VTT spin-off, has developed the world's first mobile hyperspectral camera for the fast, high-level analysis of a range of samples. VTT Technical Research Centre of Finland contributed its own expertise to the ...
Engineering
Dec 18, 2017
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14
Broadband emissions in the visible spectral range can be achieved by pumping Pr3+ doped in crystal, ceramic and glass. Fluoride glasses are commonly used as host material of gain fiber due to their low-energy phonon distribution. ...
Materials Science
Mar 23, 2020
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3
Near-infrared light, whose wavelength is longer than visible light, is invisible and can pass through many substances. Organic materials that efficiently absorb near-infrared light are essential for technological innovations ...
Analytical Chemistry
Mar 27, 2023
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6
An active region viewed in profile put on quite a show of erupting plasma and looping arches on Sept. 22-23, 2015.
Space Exploration
Sep 30, 2015
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