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Düsseldorf 2007 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 71: Ultrakalte Moleküle I (gemeinsam mit MO)

Q 71.8: Vortrag

Freitag, 23. März 2007, 12:30–12:45, 6B

Preparation of single molecular ions for time resolved electron diffraction — •Steffen Kahra, Günther Leschhorn, Axel Friedenauer, Hector Schmitz, Ernst Fill, and Tobias Schätz — Max-Planck-Institut für Quantenoptik, 85741 Garching

We present a scheme for the preparation of isolated single molecular ions. The ions will be confined in a linear Paul-trap. This allows besides for excellent spacial positioning with accuracy of only a few micrometers also for application of common sympathetic cooling techniques. Since the ions are accessible to manipulation by laser and electron beams, for example, a wide range of experimental opportunities arises. Investigation of one of the most intriguing realms in nature comes into reach when we combine our tool with the recent and foreseeable developments made in the field of short electron pulse generation. Doing electron or X-ray diffraction (100 fs) on isolated species in a time resolved manner, might provide us with direct information about the electronic motion inside the charged molecule. Hence, observing the molecule by means of diffraction and taking spectroscopic knowledge into account is expected to help us understand how the dynamic structure of an excited molecule on the few femtosecond timescale really evolves.
Supported by: IMPRS, MAP, MPG


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