432 citations · 815 across the 3 of their papers we have counts for
3 papers
astro-ph.IM2019★ 283 cited
On orbit performance of the GRACE Follow-On Laser Ranging Interferometer
Klaus Abich, Claus Braxmaier, Martin Gohlke +80
The Laser Ranging Interferometer (LRI) instrument on the Gravity Recovery and Climate Experiment (GRACE) Follow-On mission has provided the first laser interferometric range measur…
physics.optics2003★ 432 cited
New Limits to the Drift of Fundamental Constants from Laboratory Measurements
M. Fischer, N. Kolachevsky, M. Zimmermann +17
We have remeasured the absolute - transition frequency in atomic hydrogen. A comparison with the result of the previous measurement performed in 1999 sets a l…
physics.atom-ph2003★ 100 cited
Precision Spectroscopy of Atomic Hydrogen and Variations of Fundamental Constants
M. Fischer, N. Kolachevsky, M. Zimmermann +14
In 2003 we have measured the absolute frequency of the two-photon transition in atomic hydrogen. We observed a variati…