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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Ken's lattice compression

Ken holding MCPA large part of Ken's PhD research has just been published in Science Advances and I am happy to announce that there are several institutions highliting this research. It is a really contradictory finding. When a few ten nanometer in diameter Xe cluster is irradiated by intense x-rays they first contract. Usually, one would think that particles expand after they have been hit by intense x-rays due to the ionization and kinetic energy. In the first few ten-femtoseconds, however, Ken finds that the particle shrink. Please read more on SLAC's homepage.

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The LAMP endstation at SLAC National Lab

LAMP pnCCDsLAMP is a new endstation at the Linear Coherent Light Source (LCLS) that builds upon its predecessor CAMP. The LAMP endstation is versatile and is able to perform typical atomic, molecular & optical physics type experiments, but is also capable of imaging single particles, for example nanometer sized bio-molecules like viruses. I helped building the instrument and was part of the commissioning. The read-more button leads SLACs nicely written article about our endstation.

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First experiments to develop single particle imaging

SPI image of a nano-meter sized virus.An international collaboration has been formed by SLAC National Accelerator Laboratory to develop single particle imaging (SPI). Under the name of the SPI-initiative, we were awarded beam time at the AMO endstation and successfully performed single particle imaging with viruses. The picture you can see on the left is a diffraction pattern from a ~70nm in diameter virus. I had a leading role in running the AMO beam line and LAMP endstation, and was helping with sample injection during the beam time. There is a nicely written article on SLACs website if you would like to read on.

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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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