Lasers - 23 News by Deutsches Elektronen-Synchrotron DESY for the lab analysis / lab measurement technology industry

Lasers - 23 News by Deutsches Elektronen-Synchrotron DESY for the lab analysis / lab measurement technology industry

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First-ever X-ray attosecond experiment on liquids provides new insights into water’s molecular properties

Theorists explain how X-ray measurement freezes hydrogen motion, with implications on other areas of chemistry

19-Feb-2024 - An international team has performed an attosecond-scale experiment at an X-ray free-electron laser on liquid water for the first time, and the results may change our interpretation of water’s behaviour. The experiment team, led by scientist Linda Young from Argonne National Laboratory in the US, ...

lasers X-ray lasers hydrogen bonds
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New technique paves way for imaging individual molecules

Pioneering experiment exploits quantum properties of X-ray light

04-May-2023 - An international research team has succeeded for the first time in using X-rays for an imaging technique that exploits a particular quantum property of light. As the researchers describe in their work just published in the journal Physical Review Letters, this technique could enable imaging of ...

lasers free-electron lasers imaging
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Surface imaging technique illuminates potential improvements in plastics production

DESY's free-electron laser FLASH shows chemical changes in surfaces

24-Aug-2022 - Consider the humble plastic food wrapper. It may seem like a simple clear film that wraps a loaf of bread or fruit gummies, but these films are less simply composed as it seems.Each individual layer must be chemically treated so that it adheres well to the next. In their efforts to adapt an ...

lasers free-electron lasers foils
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Molecule snapshot by explosion

Important step for filming chemical reactions

23-Feb-2022 - Exploding a photo subject in order to take its picture? An international research team at the world's largest X-ray laser, the European XFEL, used this “extreme” method to take pictures of complex molecules. With the ultra-bright X-ray flashes generated by the facility, the scientists were able ...

lasers X-ray lasers molecules
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FLASH reveals ultrafast dynamics of photocatalysis

Free electron laser study sheds light on the mechanism and timescale of the photocatalytic oxidation of carbon monoxide on titanium oxide

30-Nov-2020 - An international team of scientists have studied, for the first time, the light induced oxidation of carbon monoxide (CO) to carbon dioxide (CO2) on the surface of an oxide photocatalyst in real-time using the soft X-ray free-electron laser FLASH combined with theoretical calculations. According ...

lasers free-electron lasers carbon dioxide
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Liquid water at 170 degrees Celsius

X-ray laser reveals anomalous dynamics at ultra-fast heating

18-Sep-2020 - Using the X-ray laser European XFEL, a research team has investigated how water heats up under extreme conditions. In the process, the scientists were able to observe water that remained liquid even at temperatures of more than 170 degrees Celsius. The investigation revealed an anomalous dynamic ...

lasers X-ray lasers water
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Ultrafast birth of free radicals observed in water

X-ray laser provides unrivalled insight into the first chemical reaction during radiolysis

13-Jan-2020 - Using extremely short X-ray flashes, an international team of researchers has for the first time ever observed details of the ultrafast chemical reaction leading to the formation of aggressive radicals when water is irradiated. The study provides unprecedented insights into the process, which can ...

lasers X-ray lasers chemical reactions
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How molecular footballs burst in an X-ray laser beam

Study shows effect of X-ray flashes on sensitive biomolecules

26-Sep-2019 - An international research team has observed in real time how football molecules made of carbon atoms burst in the beam of an X-ray laser. The study shows the temporal course of the bursting process, which takes less than a trillionth of a second, and is important for the analysis of sensitive ...

lasers X-ray lasers biomolecules

First high-speed hard X-ray microscopic movies at a free-electron laser

New technique enables investigation of industrially relevant materials and processes in motion

30-Aug-2019 - A group of researchers has for the first time performed high-speed microscopy using an X-ray laser at the European XFEL. The team produced a super slow-motion movie of a bursting glass capillary with micrometre spatial resolution. The method allows for observations of processes that take place at ...

lasers X-ray lasers material analysis
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Superfluorescent emission in the UV range

Free-electron laser FLASH coaxes superfluorescent emission from the noble gas xenon

21-Aug-2019 - Scientists have for the first time induced superfluorescence in the extreme ultraviolet range. Superfluorescence, or superradiance, could be used to build a laser that does not require an optical resonator. The team headed by DESY’s lead scientist Nina Rohringer used DESY’s free-electron laser ...

lasers ultraviolet light xenon
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