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B. Lipphardt

German National Metrology Institute

107

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Improved Limits for Violations of Local Position Invariance from Atomic Clock Comparisons.

2021 Physical Review Letters
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Long term measurement of the Sr87 clock frequency at the limit of primary Cs clocks

2020
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First international comparison of fountain primary frequency standards via a long distance optical fiber link

2017 Metrologia
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Optical Stabilization of a Microwave Oscillator for Fountain Clock Interrogation

2017 IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control
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Frequency Comparison of $^{171}{\text {Yb}}^+$ Ion Optical Clocks at PTB and NPL via GPS PPP

2016 IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control
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Single-Ion Atomic Clock with 3×10(-18) Systematic Uncertainty.

2016 Physical Review Letters
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Realization of a timescale with an accurate optical lattice clock

2016 arXiv: Optics
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Pulse defect immune Ramsey spectroscopy

2016 Bulletin of the American Physical Society
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A strontium lattice clock with 3 × 10 −17 inaccuracy and its frequency

2014 New Journal of Physics
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Cs-based optical frequency measurement using cross-linked optical and microwave oscillators

2014 Physical Review A
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Citations (59)