OOIR: Observatory of International Research

Papers

(The H4-Index of Metrologia is 14. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-11-01 to 2024-11-01.)

Article	Citations
Optical frequency ratio of a ¹⁷¹Yb⁺ single-ion clock and a ⁸⁷Sr lattice clock	31
Demonstration of the nearly continuous operation of an¹⁷¹Yb optical lattice clock for half a year	29
Absolute frequency measurement of the ¹⁷¹Yb optical lattice clock at KRISS using TAI for over a year	24
The new mise en pratique for the metre—a review of approaches for the practical realization of traceable length metrology from 10⁻¹¹ m to 10¹³ m	23
Beginning of a new phase of the dissemination of the kilogram	20
A ⁸⁷Sr optical lattice clock with 2.9 × 10⁻¹⁷ uncertainty and its absolute frequency measurement	20
Absolute frequency of ⁸⁷Sr at 1.8 × 10⁻¹⁶ uncertainty by reference to remote primary frequency standards	19
Roadmap towards the redefinition of the second	19
Review of field characterization techniques for high intensity therapeutic ultrasound	19
Reduction of calibration uncertainty due to mounting of three-axis accelerometers using the intrinsic properties model	17
High-performance coherent population trapping atomic clock with direct-modulation distributed Bragg reflector laser	16
Refractive index gas thermometry between 13.8 K and 161.4 K	15
Measurement configurations for differential sampling of AC waveforms based on a programmable Josephson voltage standard: effects of sampler bandwidth on the measurements	14
Thermodynamic effects in a gas modulated Invar-based dual Fabry–Pérot cavity refractometer	14