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An optical lattice clock with spin-polarized 87Sr atoms

  • Topical issue: Metrology and optical frequency combs
  • Published:
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Abstract.

We present a new evaluation of an 87Sr optical lattice clock using spin polarized atoms. The frequency of the 1S0→3P0 clock transition is found to be 429 228 004 229 873.6 Hz with a fractional uncertainty of 2.6×10-15, a value that is comparable to the frequency difference between the various primary standards throughout the world. This measurement is in excellent agreement with a previous one of similar accuracy [Phys. Rev. Lett. 98, 083002 (2007)].

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Authors and Affiliations

  1. LNE-SYRTE, Observatoire de Paris, 61 avenue de l'Observatoire, 75014, Paris, France

    X. Baillard, M. Fouché, R. Le Targat, P. G. Westergaard, A. Lecallier, F. Chapelet, M. Abgrall, G. D. Rovera, P. Laurent, P. Rosenbusch, S. Bize, G. Santarelli, A. Clairon & P. Lemonde

  2. Laboratoire Collisions Agrégats Réactivité, UMR 5589 CNRS, Université Paul Sabatier Toulouse 3, IRSAMC, 31062, Toulouse Cedex 9, France

    M. Fouché

  3. Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116, Braunschweig, Germany

    G. Grosche, B. Lipphardt & H. Schnatz

Authors
  1. X. Baillard
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  2. M. Fouché
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  3. R. Le Targat
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  4. P. G. Westergaard
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  5. A. Lecallier
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  6. F. Chapelet
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  7. M. Abgrall
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  8. G. D. Rovera
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  9. P. Laurent
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  10. P. Rosenbusch
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  11. S. Bize
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  12. G. Santarelli
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  13. A. Clairon
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  14. P. Lemonde
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  15. G. Grosche
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  16. B. Lipphardt
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  17. H. Schnatz
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Corresponding author

Correspondence to X. Baillard.

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Baillard, X., Fouché, M., Le Targat, R. et al. An optical lattice clock with spin-polarized 87Sr atoms. Eur. Phys. J. D 48, 11–17 (2008). https://doi.org/10.1140/epjd/e2007-00330-3

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  • DOI: https://doi.org/10.1140/epjd/e2007-00330-3

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