Darmstadt 2008 – wissenschaftliches Programm
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A: Fachverband Atomphysik
A 30: Precision spectroscopy III
A 30.5: Vortrag
Freitag, 14. März 2008, 15:00–15:15, 3C
Mg+ - He+ Mixed Crystals for High Precision Spectroscopy in the XUV — Sebastian Knünz1, •Maximilian Hermann1, Valentin Batteiger1, Akira Ozawa1, Feng Zhu2, Thomas Udem1, Hans Schüssler2, and Theodor W. Hänsch1 — 1Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Strasse 1, 85748 Garching — 2Department of Physics, Texas A&M University, College Station, Texas 77843, USA
The 1s-2s two photon transition of singly ionized hydrogen-like helium at 60 nm is an interesting candidate for precision tests of bound state QED. Rapid progress in the development of high-power XUV frequency combs lets high resolution spectroscopy of this transition come in sight for the first time. We report on important steps towards this goal. In our novel 6-rod RF trap, we generated and analyzed cold mixed crystals.