Beattie, S; Jian, B; Alcock, J; Gertsvolf, M; Hendricks, R; Szymaniec, K; Gibble, K (2020) First accuracy evaluation of the NRC-FCs2 primary frequency standard. Metrologia, 57 (3). 035010 ISSN 0026-1394

Full text not available from this repository.

Abstract

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 high atomic density is 1.1 × 10-13 at 1 second of averaging time. The typical overall fractional type B uncertainty is 2.3 × 10-16. GNSS-based frequency comparisons of NRC-FCs2 with the SI second, as reported by the BIPM over fourteen months, give a fractional frequency difference of -2.4(3.7) × 10-16.

Item Type:	Article
Subjects:	Time and Frequency > Microwave Frequency Standards
Divisions:	Time & Frequency
Identification number/DOI:	10.1088/1681-7575/ab7c54
Last Modified:	16 Jul 2020 13:08
URI:	http://eprintspublications.npl.co.uk/id/eprint/8792

Actions (login required)

View Item