A new method of uncertainty analysis for non-white noise is presented and used to evaluate traceable holdover capabilities of a new NRC system for time and...
Canadian Journal of Physics, Canadian Science Publishing, 14 octobre 2022, Volume : 101, Numéro : 2
Atomic clocks form the foundation of international timekeeping and synchronization. At the National Research Council Canada, the NRC-FCs2 fountain clock has...
The Network Time Protocol (NTP), is used for time synchronization in most networked equipment. Seen as capable of 50 ms accuracy or better, it lacks...
We report the results of a recent measurement of the absolute frequency of the 5s2 S1/2 – 4d2 D5/2 transition of the 88Sr + ion. The optical frequency was...
We report the first accuracy evaluation of NRC-FCs2, an atomic fountain clock developed at the National Research Council Canada. The short term stability at...
We describe experiments and measurements on a trapped and laser-cooled single ion of Sr+88 which, when probed on its reference 5sS1/22→4dD5/22 transition at...
ITM/PTTI 2021, Institute of Navigation (ION), 28 janvier 2021
Since the early days of networked computer systems, the Network Time Protocol (NTP) has played a key role in keeping these devices synchronized to UTC. Today,...
ITM/PTTI 2021, Institute of Navigation (ION), 28 janvier 2021
GPS Precision Point Positioning (PPP) has become a standard method for the time and frequency transfer which is especially useful for inter-continental...
Proceedings of the 49th Annual Precise Time and Time Interval Systems and Applications Meeting, Institute of Navigation, 1 février 2018
In recent years market regulations have tightened the time synchronization requirements for the financial sector. In Canada and in the United States the...
We demonstrate a shot-to-shot reduction in the threshold laser intensity for ionization of bulk glasses illuminated by intense femtosecond pulses. For SiO2 the...
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