An aluminum optical clock setup and its evaluation using Ca+

authored by
Johannes Albrecht Kramer
supervised by
Piet Oliver Schmidt

This thesis reports about the progress of the aluminum ion clock that is set up at the German National Metrological Institute, Physikalisch-Technische Bundesanstalt (PTB) in Braunschweig. All known relevant systematic frequency shifts are discussed. The systematic shifts were measured on the co-trapped logic ion 40Ca+, which is advantageous due to its higher sensitivity to external fields compared to 27Al+. The observation of the clock transition of 27Al+ and an analysis of the detection error is described.

Institute of Quantum Optics
QUEST-Leibniz Research School
Doctoral thesis
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