Matterwave interferometric velocimetry of cold Rb atoms
Matterwave interferometric velocimetry of cold Rb atoms
We consider the matterwave interferometric measurement of atomic velocities, which forms a building block for all matterwave inertial measurements. A theoretical analysis, addressing both the laboratory and atomic frames and accounting for residual Doppler sensitivity in the beamsplitter and recombiner pulses, is followed by an experimental demonstration, with measurements of the velocity distribution within a 20 μK cloud of rubidium atoms. Our experiments use Raman transitions between the long-lived ground hyperfine states, and allow quadrature measurements that yield the full complex interferometer signal and hence discriminate between positive and negative velocities. The technique is most suitable for measurement of colder samples.
657-666
Carey, Max
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Belal, Mohammad
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Himsworth, Matthew
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Bateman, James
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Freegarde, Timothy
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23 February 2018
Carey, Max
c2b2911d-e3a9-4537-b16e-9bbfd3b68c6c
Belal, Mohammad
33550de9-0df1-4c90-bae6-3eb65c62778a
Himsworth, Matthew
24e9b896-b4d3-40f7-8047-82a38efa4898
Bateman, James
51205cc6-e9ac-44bf-aa7a-2c8dbc445215
Freegarde, Timothy
01a5f53b-d406-44fb-a166-d8da9128ea7d
Carey, Max, Belal, Mohammad, Himsworth, Matthew, Bateman, James and Freegarde, Timothy
(2018)
Matterwave interferometric velocimetry of cold Rb atoms.
Journal of Modern Optics, 65 (5-6), .
(doi:10.1080/09500340.2017.1397222).
Abstract
We consider the matterwave interferometric measurement of atomic velocities, which forms a building block for all matterwave inertial measurements. A theoretical analysis, addressing both the laboratory and atomic frames and accounting for residual Doppler sensitivity in the beamsplitter and recombiner pulses, is followed by an experimental demonstration, with measurements of the velocity distribution within a 20 μK cloud of rubidium atoms. Our experiments use Raman transitions between the long-lived ground hyperfine states, and allow quadrature measurements that yield the full complex interferometer signal and hence discriminate between positive and negative velocities. The technique is most suitable for measurement of colder samples.
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Matterwave interferometric velocimetry of cold Rb atoms
- Accepted Manuscript
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8-7-2018_Matterwave
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More information
Accepted/In Press date: 3 November 2017
e-pub ahead of print date: 17 November 2017
Published date: 23 February 2018
Additional Information:
Special Issue - Quantum optics, Cooling and Collisions of Ions and Atoms
Identifiers
Local EPrints ID: 415616
URI: http://eprints.soton.ac.uk/id/eprint/415616
ISSN: 0950-0340
PURE UUID: f2809346-d45a-43c1-897c-b8e99e7a2073
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Date deposited: 16 Nov 2017 17:30
Last modified: 16 Mar 2024 05:55
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Author:
Max Carey
Author:
Matthew Himsworth
Author:
James Bateman
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