369 citations · 372 across the 2 of their papers we have counts for
2 papers
physics.atom-ph2023★ 3 cited
Continuous optical generation of microwave signals for fountain clocks
Burghard Lipphardt, Patrick Walkemeyer, Michael Kazda +2
For the optical generation of ultrastable microwave signals for fountain clocks we developed a setup, which is based on a cavity stabilized laser and a commercial frequency comb. T…
physics.atom-ph2014★ 369 cited
Improved limit on a temporal variation of from comparisons of Yb and Cs atomic clocks
N. Huntemann, B. Lipphardt, Chr. Tamm +3
Accurate measurements of different transition frequencies between atomic levels of the electronic and hyperfine structure over time are used to investigate temporal variations of t…