30 April 1993 Synthesis of the Lyman-α frequency of atomic hydrogen
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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.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Dieter Meschede, Dieter Meschede, T. Andreae, T. Andreae, W. Koenig, W. Koenig, Robert Wynands, Robert Wynands, D. Leibfried, D. Leibfried, F. Schmidt-Kaler, F. Schmidt-Kaler, Theodor W. Haensch, Theodor W. Haensch, } "Synthesis of the Lyman-α frequency of atomic hydrogen", Proc. SPIE 1837, Frequency-Stabilized Lasers and Their Applications, (30 April 1993); doi: 10.1117/12.143692; https://doi.org/10.1117/12.143692
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