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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 | Abstract: | We 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 | Services: | Forum | Review | PDF | Favorites |
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