Rostock 2019 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 17: Ultra-cold atoms, ions and BEC (joint session A/Q)
Q 17.5: Vortrag
Montag, 11. März 2019, 17:15–17:30, S HS 1 Physik
State Selective Field Ionization in Asymmetric Geometries — •Alexander Müller1, Titus Franz1, Sebastian Geier1, Andre Salzinger1, Annika Tebben1, Clément Hainaut1, Nithiwadee Thaicharoen1, Gerhard Zürn1, and Matthias Weidemüller1,2 — 1Physikalisches Institut, University Heidelberg, 69120 Heidelberg, Germany — 2Shanghai Branch, University of Science and Technology of China, Shanghai 201315, China
Precise control of field ionization ramps enables time resolved detection of different Rydberg states, making the method state selective. In our Experiment the ion detector is tilted and off-centered from the axis of the field electrodes to increase optical accessibility, but in cost of simple ion trajectories.
This talk will present our implementation of electric potentials to ionize the Rydberg states selectively and at the same time guide the ions to the detector. Limitations of the method in terms of suitable states and local Rydberg densities will be discussed.