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Matterwave interferometric velocimetry of cold Rb atoms.

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Title: Matterwave interferometric velocimetry of cold Rb atoms.
Authors: Carey, Max1, Belal, Mohammad1, Himsworth, Matthew1, Bateman, James2, Freegarde, Tim1
Source: Journal of Modern Optics. Feb2018, Vol. 65 Issue 4, p441-450. 10p.
Subjects: Rubidium, Atom interferometers, Velocity distribution (Statistical mechanics), Laser cooling, Velocimetry
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 K 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. [ABSTRACT FROM PUBLISHER]
Copyright of Journal of Modern Optics is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 126917742
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Matterwave interferometric velocimetry of cold Rb atoms.
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  Data: <searchLink fieldCode="AR" term="%22Carey%2C+Max%22">Carey, Max</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Belal%2C+Mohammad%22">Belal, Mohammad</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Himsworth%2C+Matthew%22">Himsworth, Matthew</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Bateman%2C+James%22">Bateman, James</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Freegarde%2C+Tim%22">Freegarde, Tim</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Modern+Optics%22">Journal of Modern Optics</searchLink>. Feb2018, Vol. 65 Issue 4, p441-450. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Rubidium%22">Rubidium</searchLink><br /><searchLink fieldCode="DE" term="%22Atom+interferometers%22">Atom interferometers</searchLink><br /><searchLink fieldCode="DE" term="%22Velocity+distribution+%28Statistical+mechanics%29%22">Velocity distribution (Statistical mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Laser+cooling%22">Laser cooling</searchLink><br /><searchLink fieldCode="DE" term="%22Velocimetry%22">Velocimetry</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: 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 K 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. [ABSTRACT FROM PUBLISHER]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Modern Optics is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1080/09500340.2017.1397222
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      – Code: eng
        Text: English
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        PageCount: 10
        StartPage: 441
    Subjects:
      – SubjectFull: Rubidium
        Type: general
      – SubjectFull: Atom interferometers
        Type: general
      – SubjectFull: Velocity distribution (Statistical mechanics)
        Type: general
      – SubjectFull: Laser cooling
        Type: general
      – SubjectFull: Velocimetry
        Type: general
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      – TitleFull: Matterwave interferometric velocimetry of cold Rb atoms.
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            NameFull: Himsworth, Matthew
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              M: 02
              Text: Feb2018
              Type: published
              Y: 2018
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