High resolution spectroscopy of hydrogen and deuterium atoms

B. De Beauvoir, L. Hilico, L. Julien, F. Biraben, B. Cagnac, F. Nez, J. J. Zondy, D. Touahri, O. Acef, A. Clairon

Research output: Contribution to journalArticlepeer-review


We have performed a pure optical frequency measurement of the 25-8S/D two-photon transitions in atomic hydrogen and deuterium. We deduce a new value for the Rydberg constant, R = 109737.3156859(10) cm-1, with an uncertainty of 9 × 10-12.

Original languageEnglish
Pages (from-to)561-564
Number of pages4
JournalLaser Physics
Issue number3
Publication statusPublished - May 1 1998
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Instrumentation
  • Condensed Matter Physics
  • Industrial and Manufacturing Engineering

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