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MO: Fachverband Molekülphysik

MO 24: Poster: Femtosecond spectroscopy

MO 24.4: Poster

Donnerstag, 17. März 2011, 16:00–18:00, P2

XUV pump-probe experiments at FLASH — •yuhai jiang¹, artem rudenko², oliver herrwerth³, lutz foucar², moritz kurka¹, kai-uwe kühnel¹, matthias Lezius³, matthias kling³, fernando martin⁴, ali belkacem⁵, kiyoshi ueda⁶, stefan düsterer⁷, rolf treusch⁷, claus-dieter schröter¹, robert moshammer¹, and joachim ullrich¹ — ¹MPIK, Heidelberg — ²ASG at CFEL, Hamburg — ³MPIQ, Garching — ⁴Universidad Autónoma de Madrid, Madrid — ⁵LBNL, Berkeley — ⁶Tohoku University, Sendai — ⁷DESY, Hamburg

The advent of the Free Electron Laser (FEL) delivering unprecedented brilliance and ultra-short pulse duration (a few femtosecond) has opened a door studying the ultra-fast molecular dynamics in the XUV regime employing a Reaction Microscope combined with our novel split-mirror set-up. Using this experimental approach at FLASH we performed a series of XUV pump-probe experiments [1-4] by tracing ultra-fast nuclear wave-packet motion in the D₂⁺(1sσ _g) state, isomerization and elimination reactions in Acetylene and Ethylene etc., which pave the way to visualize, control and manipulate molecular reactions in the XUV regime in real time.

[1] Y.H. Jiang et al., Phys. Rev. A 81, 051402 (R) (2010)

[2] Y.H. Jiang et al., Phys. Rev. A 82, 041403(R) (2010)

[3] T. Pfeifer et al., Opt. Lett. 35, 3441 (2010)

[4] Y.H. Jiang et al., Phys. Rev. Lett. (accepted)