Doppler-Free Two-Photon Spectroscopy of Hydrogen Rydberg States: Remeasurement of R

  • M. Allegrini
  • F. Biraben
  • B. Cagnac
  • J. C. Garreau
  • L. Julien
Conference paper


In the last few years, the application of very high resolution laser spectroscopy to atomic hydrogen has allowed the determination of the Rydberg constant with an increasing precision up to a few parts in 1010 /1–7/. Because R plays a key role in atomic physics, quantum electrodynamics and metrology, it is desirable to improve even further this precision ; experiments to this aim are currently being performed in various laboratories. In this work we report on latest measurements of R which are in fact limited by the precision of the wavelength standard in the optical domain (1.6 x 10−10).


Microwave Posit Convolution Tate Deuterium 


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Copyright information

© Springer-Verlag Berlin, Heidelberg 1989

Authors and Affiliations

  • M. Allegrini
    • 1
  • F. Biraben
    • 1
  • B. Cagnac
    • 1
  • J. C. Garreau
    • 1
  • L. Julien
    • 1
  1. 1.Laboratoire de Spectroscopie Hertzienne de l’ENSParis Cedex 05France

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