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28 March 2024
 
  » arxiv » quant-ph/0003052

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Single Atoms in an Optical Dipole Trap: Towards a Deterministic Source of Cold Atoms
D. Frese ; B. Ueberholz ; S. Kuhr ; W. Alt ; D. Schrader ; V. Gomer ; D. Meschede ;
Date 14 Mar 2000
Journal PRL 85, 3777 (2000)
Subject quant-ph
AbstractWe describe a simple experimental technique which allows us to store a small and deterministic number of neutral atoms in an optical dipole trap. The desired atom number is prepared in a magneto-optical trap overlapped with a single focused Nd:YAG laser beam. Dipole trap loading efficiency of 100 % and storage times of about one minute have been achieved. We have also prepared atoms in a certain hyperfine state and demonstrated the feasibility of a state-selective detection via resonance fluorescence at the level of a few neutral atoms. A spin relaxation time of the polarized sample of $4.2pm 0.7$ s has been measured. Possible applications are briefly discussed.
Source arXiv, quant-ph/0003052
Other source [GID 1013706] pmid11041925
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