A Point of View on the Accuracy Performances and on the Prospects of Improvement of Primary Cesium Beam Frequency Standards

  • C. Audoin
Conference paper


A status of the frequency accuracy claimed by the different laboratories operating primary cesium beam frequency and time standards is given. The main design choices made are summarized. Recent progress in the theoretical and experimental analysis of some frequency shifts is reported. Frequency shifts whose study require further attention are pointed out. Possible ways of improving the accuracy are summarized. It is concluded that research work on the behaviour of traditional primary cesium beam frequency standards must be actively pursued.


Frequency Shift Atomic Beam Waveguide Cross Section Beam Reversal Exchange Frequency Shift 
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Copyright information

© Springer-Verlag Berlin, Heidelberg 1989

Authors and Affiliations

  • C. Audoin
    • 1
  1. 1.Laboratoire de l’Horloge Atomique, Equipe de Recherche du CNRS associée à l’Université Paris-Sud, Bât. 221Université Paris-SudOrsay CedexFrance

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