The European Physical Journal D

, 48:11

An optical lattice clock with spin-polarized 87Sr atoms

  • 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
  • G. Grosche
  • B. Lipphardt
  • H. Schnatz
Topical issue: Metrology and optical frequency combs

DOI: 10.1140/epjd/e2007-00330-3

Cite this article as:
Baillard, X., Fouché, M., Le Targat, R. et al. Eur. Phys. J. D (2008) 48: 11. doi:10.1140/epjd/e2007-00330-3

Abstract.

We present a new evaluation of an 87Sr optical lattice clock using spin polarized atoms. The frequency of the 1S03P0 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)].

PACS.

06.30.Ft Time and frequency37.10.Jk Atoms in optical lattices32.60.+i Zeeman and Stark effects32.30.Jc Visible and ultraviolet spectra

Copyright information

© EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2007

Authors and Affiliations

  • X. Baillard
    • 1
  • M. Fouché
    • 1
    • 2
  • R. Le Targat
    • 1
  • P. G. Westergaard
    • 1
  • A. Lecallier
    • 1
  • F. Chapelet
    • 1
  • M. Abgrall
    • 1
  • G. D. Rovera
    • 1
  • P. Laurent
    • 1
  • P. Rosenbusch
    • 1
  • S. Bize
    • 1
  • G. Santarelli
    • 1
  • A. Clairon
    • 1
  • P. Lemonde
    • 1
  • G. Grosche
    • 3
  • B. Lipphardt
    • 3
  • H. Schnatz
    • 3
  1. 1.LNE-SYRTE, Observatoire de Paris, 61 avenue de l'ObservatoireParisFrance
  2. 2.Laboratoire Collisions Agrégats Réactivité, UMR 5589 CNRS, Université Paul Sabatier Toulouse 3Toulouse Cedex 9France
  3. 3.Physikalisch-Technische Bundesanstalt, Bundesallee 100BraunschweigGermany