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Trapping of 85Rb atoms by optical pumping between metastable hyperfine states

Trapping of 85Rb atoms by optical pumping between metastable hyperfine states
Trapping of 85Rb atoms by optical pumping between metastable hyperfine states
We describe an atom trapping mechanism based upon differential optical pumping between metastable hyperfine states by partially displaced laser beams in the absence of a magnetic field. With realistic laser powers, trap spring constants should match or exceed those typical of magneto-optical traps, and highly flexible tailored trap shapes should be achievable. In a proof-of-principle experiment, we have combined a 1D implementation with magneto-optical trapping in the orthogonal directions, capturing ~104 85Rb atoms.
0953-4075
1-5
Cooper, Nathan
0ce01d5f-1845-448e-8f27-a07df4681eb7
Freegarde, T.
01a5f53b-d406-44fb-a166-d8da9128ea7d
Cooper, Nathan
0ce01d5f-1845-448e-8f27-a07df4681eb7
Freegarde, T.
01a5f53b-d406-44fb-a166-d8da9128ea7d

Cooper, Nathan and Freegarde, T. (2013) Trapping of 85Rb atoms by optical pumping between metastable hyperfine states. Journal of Physics B: Atomic and Molecular Physics, 46 (21), 1-5. (doi:10.1088/0953-4075/46/21/215003).

Record type: Article

Abstract

We describe an atom trapping mechanism based upon differential optical pumping between metastable hyperfine states by partially displaced laser beams in the absence of a magnetic field. With realistic laser powers, trap spring constants should match or exceed those typical of magneto-optical traps, and highly flexible tailored trap shapes should be achievable. In a proof-of-principle experiment, we have combined a 1D implementation with magneto-optical trapping in the orthogonal directions, capturing ~104 85Rb atoms.

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Published date: 28 October 2013
Organisations: Physics & Astronomy
Learn more about Physics & Astronomy research

Identifiers

Local EPrints ID: 367053
URI: http://eprints.soton.ac.uk/id/eprint/367053
DOI: doi:10.1088/0953-4075/46/21/215003
ISSN: 0953-4075
PURE UUID: df31bafd-6100-47fe-a7e3-97617570bcb9
ORCID for T. Freegarde: ORCID iD orcid.org/0000-0002-0680-1330

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Date deposited: 21 Jul 2014 10:29
Last modified: 15 Mar 2024 03:17

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Contributors

Author: Nathan Cooper
Author: T. Freegarde ORCID iD

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