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.
|Number of pages||4|
|Publication status||Published - May 1 1998|
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
- Condensed Matter Physics
- Industrial and Manufacturing Engineering