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#unioldenburg

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Universität Oldenburg

⚛️ Watching electron motion in solids is made easier thanks to a simplified spectroscopic method presented by a German-Italian group of physicists in the journal Optica. The team hopes to transform the technique – called multidimensional electron spectroscopy – from an expert method into a versatile tool:

👉🌐 uol.de/en/news/article/watchin

📸 UOL / Matthias Knust

The picture shows an atom with electrons. The headline reads "Watching electron motion in solids". The text reads "The super-fast movement and interactions of electrons in molecules and solids have long remained hidden from direct observation."
The picture shows a complicated apparatus. The text reads "Now, a team of scientists from Oldenburg and Italy, led by Christoph Lienau, has found a way to make this process much easier: They simplified a method called two-dimensional electronic spectroscopy (2DES)."
The picture shows the same apparatus from a different perspective. The text reads "The technique uses a sequence of three ultrashort laser pulses to excite the material to be investigated. The main problem is precise control of the time interval between the first two identical laser pulses, as well as of their shape. Consequently, it has so far been employed by only a handful of research groups worldwide."
The picture shows Christoph Lienau. He works with the apparatus and wears special protection glasses and a white gown. His quote reads "We hope that 2DES will go from being a methodology for experts to a tool that can be widely used."
#Physics#Physik#UniOldenburg
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