Synthesis of the Lyman-alpha frequency of atomic hydrogen

Dieter Meschede; T. Andreae; W. Koenig; Robert Wynands; D. Leibfried; F. Schmidt-Kaler; Theodor W. Haensch

doi:10.1117/12.143692

30 April 1993 Synthesis of the Lyman-α frequency of atomic hydrogen

Dieter Meschede, T. Andreae, W. Koenig, Robert Wynands, D. Leibfried, F. Schmidt-Kaler, Theodor W. Haensch

Proceedings Volume 1837, Frequency-Stabilized Lasers and Their Applications; (1993) https://doi.org/10.1117/12.143692
Event: Applications in Optical Science and Engineering, 1992, Boston, MA, United States

Abstract

We have constructed a frequency synthesis chain in order to compare the 1s2s Hydrogen transition (Lyman-(alpha) , 2466 THz) with the Methane stabilized He-Ne-laser at 88,4 THz. Phaselocks for all transfer oscillators have been established. The 88 THz line serves as a secondary frequency standard, currently operating at an absolute reproducibility of 2 X 10^-12 and a stability of 10^-13 at 10 - 100 s integration time. We report on the transfer of this precision to the Lyman-(alpha) frequency of the hydrogen atom, which yields an improved value of the Rydberg constant.

Citation Download Citation

Dieter Meschede, T. Andreae, W. Koenig, Robert Wynands, D. Leibfried, F. Schmidt-Kaler, and Theodor W. Haensch "Synthesis of the Lyman-α frequency of atomic hydrogen", Proc. SPIE 1837, Frequency-Stabilized Lasers and Their Applications, (30 April 1993); https://doi.org/10.1117/12.143692

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