Journal
OPTICS LETTERS
Volume 48, Issue 1, Pages 37-40Publisher
Optica Publishing Group
DOI: 10.1364/OL.475353
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We demonstrate the integration of MEMS scanning mirrors as active elements for local optical pumping of ultra-cold atoms in a magneto-optical trap. The MEMS mirrors steer a focused resonant beam through a cloud of trapped atoms, allowing for spatially selective fluorescence and two-dimensional control. This approach has potential applications in single atom selection, local optical pumping, and arbitrary cloud shaping, and is also promising for miniaturization and portable control systems in quantum optic experiments.
We demonstrate the integration of micro-electro-mechanical-systems (MEMS) scanning mirrors as active elements for the local optical pumping of ultra-cold atoms in a magneto -optical trap. A pair of MEMS mirrors steer a focused resonant beam through a cloud of trapped atoms shelved in the F = 1 ground-state of 87Rb for spatially selective flu-orescence of the atom cloud. Two-dimensional control is demonstrated by forming geometrical patterns along the imaging axis of the cold atom ensemble. Such control of the atomic ensemble with a microfabricated mirror pair could find applications in single atom selection, local optical pumping, and arbitrary cloud shaping. This approach has significant potential for miniaturization and in creating portable control systems for quantum optic experiments.
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