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Verhandlungen
DPG

Dresden 2011 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 9: Interaction with VUV and X-ray light (FEL) II

A 9.2: Hauptvortrag

Dienstag, 15. März 2011, 11:00–11:30, BAR 205

Experiments at SPring-8 FEL: from EUV to X rays — •Kiyoshi Ueda — IMRAM, Tohoku University, Sendai 980-8577, Japan

In 2008, the SPring-8 Compact SASE Source (SCSS) test accelerator, started operation in Japan. It provides linearly polarized EUVFEL pulses in the wavelength region of 51-61 nm. In the last three years, we have been investigating multiphoton processes in atoms, molecules, and clusters irradiated by EUVFEL pulses, using ion and electron momentum spectroscopy and pump-probe techniques. In 2011, SCSS XFEL will start operation. Our scientific program at the XFEL is largely based on research problems which constitute a bridge between atoms and small molecules and more complex systems. We plan to study, for example, light-induced phase transition in nanoclusters and light-induced structural change of single photoreactive biomolecules, using time-resolved coherent X-ray imaging combined with Coulomb-explosion ion imaging and photoelectron diffractions. The talk will describe current status of our EUVFEL experiments as well as plans and preparations for our XFEL experiments.

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