Hannover 2010 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 69: Ultra-Cold Atoms, Ions and BEC IV / Interaction with VUV and X-Ray Light II (with A)
Q 69.7: Vortrag
Freitag, 12. März 2010, 15:30–15:45, F 303
X-ray scattering and ionization of rare gas clusters by superintense pulses from the LCLS FEL — •Tais Gorkhover1, Marcus Adolph1, Daniela Rupp1, Sebastian Schorb1, Thomas Möller1, Sascha Epp3, Robert Hartmann4, Daniel Rolles3, Artem Rudenko3, Ilme Schlichting3,5, Lothar Strüder3,4, Joachim Ullrich6, and Christoph Bostedt2 — 1TU Berlin — 2LCLS, Stanford — 3ASG — 4MPI HLL — 5MPI MF — 6MPI K
The Linac Coherent Light Source (LCLS) is a new, world wide unique X-ray free electron laser (FEL), which produces ultrashort pulses up to 2keV with unprecedented brightness. One of the most promintent applications of this powerful tool is imaging of unrevealed ultrafast atomic and molecular processes. We report on the first imaging experiment at the LCLS. It was performed on rare gas clusters, which can be applied as simple model systems for interaction between X-ray laser and matter. We used single-photon counting pnCCD detectors for observing scattering and fluorescence. As clusters are destroyed by the ultra intense pulse, the observation of ionisation products is crutial for the understanding of interaction dynamics. They were detected simultaneously with advanced ion /electron spectrometers (VMI). This experiment was performed in the CFEL-ASG Multi-Purpose (CAMP) chamber which contains a unique combination of analysis instruments for exploring the interaction of intense (soft) x-ray radiation and matter.