Related references
Note: Only part of the references are listed.Absolute frequency of 87Sr at 1.8 x 10-16 uncertainty by reference to remote primary frequency standards
Nils Nemitz et al.
METROLOGIA (2021)
Improved frequency ratio measurement with 87Sr and 171Yb optical lattice clocks at NMIJ
Yusuke Hisai et al.
METROLOGIA (2021)
Intercontinental comparison of optical atomic clocks through very long baseline interferometry
Marco Pizzocaro et al.
NATURE PHYSICS (2021)
Frequency ratio measurements at 18-digit accuracy using an optical clock network
Kyle Beloy et al.
NATURE (2021)
Absolute frequency measurement of the 1S0-3P0 transition of 171Yb with a link to international atomic time
Marco Pizzocaro et al.
METROLOGIA (2020)
First accuracy evaluation of the NRC-FCs2 primary frequency standard
Scott Beattie et al.
METROLOGIA (2020)
Test of general relativity by a pair of transportable optical lattice clocks
Masao Takamoto et al.
NATURE PHOTONICS (2020)
Absolute frequency measurement of an Yb optical clock at the 10-16 level using International Atomic Time
Limeng Luo et al.
METROLOGIA (2020)
Demonstration of the nearly continuous operation of an 171Yb optical lattice clock for half a year
Takumi Kobayashi et al.
METROLOGIA (2020)
JILA SrI optical lattice clock with uncertainty of 2.0 x 10-18
Tobias Bothwell et al.
METROLOGIA (2019)
Geodesy and metrology with a transportable optical clock
Jacopo Grotti et al.
NATURE PHYSICS (2018)
Laser frequency stabilization using a commercial wavelength meter
Luc Couturier et al.
REVIEW OF SCIENTIFIC INSTRUMENTS (2018)
Systematic evaluation of a 171Yb optical clock by synchronous comparison between two lattice systems
Qi Gao et al.
SCIENTIFIC REPORTS (2018)
The CIPM list of recommended frequency standard values: guidelines and procedures
Fritz Riehle et al.
METROLOGIA (2018)
Advances in the accuracy, stability, and reliability of the PTB primary fountain clocks
S. Weyers et al.
METROLOGIA (2018)
Atomic clock performance enabling geodesy below the centimetre level
W. F. McGrew et al.
NATURE (2018)
Ultrastable optical clock with two cold-atom ensembles
M. Schioppo et al.
NATURE PHOTONICS (2017)
BUDGET OF UNCERTAINTIES IN THE CESIUM FREQUENCY FRAME OF FOUNTAIN TYPE
I. Yu. Blinov et al.
MEASUREMENT TECHNIQUES (2017)
Absolute frequency measurement of the 1S0 - 3P0 transition of 171Yb
Marco Pizzocaro et al.
METROLOGIA (2017)
First international comparison of fountain primary frequency standards via a long distance optical fiber link
J. Guena et al.
METROLOGIA (2017)
Clock spectroscopy of interacting bosons in deep optical lattices
R. Bouganne et al.
NEW JOURNAL OF PHYSICS (2017)
State-dependent interactions in ultracold 174Yb probed by optical clock spectroscopy
L. Franchi et al.
NEW JOURNAL OF PHYSICS (2017)
Clock and inter-combination line frequency separation in 171Yb
L. Nenadovic et al.
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS (2016)
Frequency ratio of Yb and Sr clocks with 5 x 10-17 uncertainty at 150 seconds averaging time
Nils Nemitz et al.
NATURE PHOTONICS (2016)
Cancellation of collisional frequency shifts in optical lattice clocks with Rabi spectroscopy
Sangkyung Lee et al.
NEW JOURNAL OF PHYSICS (2016)
Status and prospect of the Swiss continuous Cs fountain FoCS-2
A. Jallageas et al.
8TH SYMPOSIUM ON FREQUENCY STANDARDS AND METROLOGY 2015 (2016)
Frequency ratios of Sr, Yb, and Hg based optical lattice clocks and their applications
Masao Takamoto et al.
COMPTES RENDUS PHYSIQUE (2015)
On the relation between uncertainties of weighted frequency averages and the various types of Allan deviations
Erik Benkler et al.
METROLOGIA (2015)
NIM5 Cs fountain clock and its evaluation
Fang Fang et al.
METROLOGIA (2015)
Contributing to TAI with a secondary representation of the SI second
J. Guena et al.
METROLOGIA (2014)
Accuracy evaluation of ITCsF2: a nitrogen cooled caesium fountain
Filippo Levi et al.
METROLOGIA (2014)
A strontium lattice clock with 3 x 10-17 inaccuracy and its frequency
Stephan Falke et al.
NEW JOURNAL OF PHYSICS (2014)
Frequency ratio measurement of 171Yb and 87Sr optical lattice clocks (vol 22, pg 7898, 2014)
Daisuke Akamatsu et al.
OPTICS EXPRESS (2014)
An Yb optical lattice clock: Current status at KRISS
Dai-Hyuk Yu et al.
JOURNAL OF THE KOREAN PHYSICAL SOCIETY (2013)
Absolute frequency measurement of 1S0(F=1/2)-3P0(F=1/2) transition of 171Yb atoms in a one-dimensional optical lattice at KRISS
Chang Yong Park et al.
METROLOGIA (2013)
The development and evaluation of the Earth Gravitational Model 2008 (EGM2008)
Nikolaos K. Pavlis et al.
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH (2012)
Improved accuracy of the NPL-CsF2 primary frequency standard: evaluation of distributed cavity phase and microwave lensing frequency shifts
Ruoxin Li et al.
METROLOGIA (2011)
When should we change the definition of the second?
Patrick Gill
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES (2011)
A theoretical and experimental analysis of frequency transfer uncertainty, including frequency transfer into TAI
Gianna Panfilo et al.
METROLOGIA (2010)
Uncertainty of a frequency comparison with distributed dead time and measurement interval offset
Dai-Hyuk Yu et al.
METROLOGIA (2007)