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Heidelberg 2015 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 64: Poster: Ultracold Plasmas and Rydberg Systems (with A)

Q 64.5: Poster

Donnerstag, 26. März 2015, 17:00–19:00, C/Foyer

Patterned Rydberg excitation and ionisation with a spatial light modulator — •Rick van Bijnen1,2, Cornee Ravensbergen1, Servaas Kokkelmans1, and Edgar Vredenbregt11Eindhoven University of Technology, Eindhoven, Netherlands — 2Max Planck Institute for the Physics of Complex Systems, Dresden, Germany

We demonstrate the ability to excite atoms at well-defined, programmable locations in a magneto-optical trap, either to the continuum (ionisation), or to a Rydberg state [1]. To this end, excitation laser light is shaped into arbitrary intensity patterns with a spatial light modulator. These optical patterns are sensitive to aberrations of the phase of the light field, occuring while traversing the optical beamline. These aberrations are characterised and corrected without observing the actual light field in the vacuum chamber. In addition, our detection system allows for spatially resolved single ion detection, which we use to directly measure correlation functions.

[1] arXiv:1407.6856

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DPG-Physik > DPG-Verhandlungen > 2015 > Heidelberg