DocumentCode
2747022
Title
Possibilities for a future redefinition of the second
Author
Gill, P. ; Riehle, F.
Author_Institution
Nat. Phys. Lab., Teddington, UK
fYear
2012
fDate
1-6 July 2012
Firstpage
187
Lastpage
188
Abstract
Optical clocks and frequency standards are now challenging the best microwave fountain clocks. This paper reviews the current state of the art in optical clocks. The comparative performance of various clock species is described, and consideration is made of the implications for a future redefinition of the second.
Keywords
atomic clocks; frequency standards; atomic clock; frequency standards; future redefinition; microwave fountain clock; optical clock; Atom optics; Atomic clocks; Lattices; Standards; Ultrafast optics; Uncertainty; Atomic clocks; optical clocks; optical frequency standards; redefinition of the second;
fLanguage
English
Publisher
ieee
Conference_Titel
Precision Electromagnetic Measurements (CPEM), 2012 Conference on
Conference_Location
Washington, DC
ISSN
0589-1485
Print_ISBN
978-1-4673-0439-9
Type
conf
DOI
10.1109/CPEM.2012.6250864
Filename
6250864
Link To Document