Patterned Rydberg excitation and ionization with a spatial light modulator

@article{Bijnen2014PatternedRE,
  title={Patterned Rydberg excitation and ionization with a spatial light modulator},
  author={Rick van Bijnen and Cornelis Ravensbergen and D. J. Bakker and G.J.A. van Dijk and Servaas Kokkelmans and E. J. D. Vredenbregt},
  journal={New Journal of Physics},
  year={2014},
  volume={17}
}
We demonstrate the ability to excite atoms at well-defined, programmable locations in a magneto-optical trap, either to the continuum (ionization), or to a Rydberg state. 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, occurring while traversing the optical beamline. These aberrations are characterized and corrected without observing the actual… 
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