Press

Ultrafast x-ray-induced nuclear dynamics in diatomic molecules

PRA Picon 2016 07This is a similar study to our work published in Nature Communications earlier this year. Here, we investigate diatomic molecules and use a two-color X-ray pump–X-ray probe approach. The pump pulse arrives first and induces dynamics, whereas the probe pulse arrives at a certain time delay and allows us to look at the induced dynamics. Theoretic predictions align well with the observed dynamics, such that we establish a microscopic understanding of the processes. The work has been mainly driven by A. Picon and C.S. Lehmann, whom I particularly congratulate to this paper. Please find more at.

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Stimulated x-ray Raman Scattering

Faraday discussion stimulated emissionOur critical assessment with stimulated Raman scattering using X-Ray free electron lasers (FEL) was recently published in the journal Faraday Discussions. Stimulated Raman scattering or inelastic scattering promises new opportunities to follow electron transfers in chemical reactions. Ultrafast, time-resolved measurements are a cornerstone of FEL science and this method would enable us to broaden the accessible wavelength regime. Our assessment shows current opportunities and limitations of this technique that will become particularly interesting with new superconducting linac light sources, for example, XFEL and Hamburg and LCLS-II. It is foreseen that these new light sources will have much-improved beam characteristics that are particularly interesting for stimulated Raman scattering.

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Probing X-ray induced dynamics of molecules

ncomms11652 f1I'm pleased to announce that my collaborator Antonio Picon has published his most recent results in Nature Communications. He uses an X-ray pump – X-ray probe concept to induce X-ray dynamics and subsequently probe them. It is one of the first experiments of its kind and uses the free electron laser at Stanford University to investigate ultrafast dynamics in molecules that happen on a femtosecond timescale. Experiments of this kind could be used in the future to better understand chemical reactions and to better understand how light interacts with matter. Particularly on ultrafast time scales.

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Directions

max bucherOn this page, I link some of my recent work and advances from my collaborations that got promoted by other institutes. Use the tags below this box to find more of my related work by keyword.

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