282 citations · 1k across the 15 of their papers we have counts for
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Remote frequency measurement of the 1S0-3P1 transition in laser cooled Mg-24
J. Friebe, M. Riedmann, T. Wübbena +9
We perform Ramsey-Bordé spectroscopy on laser-cooled magnesium atoms in free fall to measure the 1S0 \rightarrow 3P1 intercombination transition frequency. The measured value of 65…
The 87-Sr optical frequency standard at PTB
St. Falke, H. Schnatz, J. S. R. Vellore Winfred +8
With 87-Sr atoms confined in a one dimensional optical lattice, the frequency of the optical clock transition 5s^2 ^1S_0 - 5s5p ^3P_0 has been determined to be 429 228 004 229 872.…
Interrogation of caesium atoms in a fountain clock by a femtosecond laser microwave oscillator
S. Weyers, B. Lipphardt, H. Schnatz
A caesium fountain clock is operated utilizing a microwave oscillator that derives its frequency stability from a stable laser by means of a fiber-laser femtosecond frequency comb.…
The stability of an optical clock laser transferred to the interrogation oscillator for a Cs fountain
B. Lipphardt, G. Grosche, U. Sterr +3
We stabilise a microwave oscillator at 9.6 GHz to an optical clock laser at 344 THz by using a fibre-based femtosecond laser frequency comb as a transfer oscillator. With a second…
Absolute frequency measurement of the magnesium intercombination transition
Jan Friebe, André Pape, Matthias Riedmann +9
We report on a frequency measurement of the clock transition of Mg on a thermal atomic beam. The intercombination transition has been referenced…
An Optical Lattice Clock with Spin-polarized 87Sr Atoms
Xavier Baillard, Mathilde Fouché, Rodolphe Le Targat +14
We present a new evaluation of an 87Sr optical lattice clock using spin polarized atoms. The frequency of the 1S0-3P0 clock transition is found to be 429 228 004 229 873.6 Hz with…