Title :
Optical frequency standards based on a cooled strontium ion
Author :
Barwood, G.P. ; Gao, K. ; Gill, P. ; Huang, G. ; Klein, H.A. ; Lea, S.N. ; Margolis, H.S. ; Moore, N. ; Rowley, W.R.C. ; Windeler, R.S.
Author_Institution :
Nat. Phys. Lab., Teddington, UK
Abstract :
An optical frequency standard, based on the /sup 2/S/sub 1/2/-/sup 2/D/sub 5/2/ transition in 674 nm in /sup 88/Sr/sup +/, has been characterized and the frequency measured with a femtosecond laser comb. Progress on developing a standard based on /sup 87/Sr/sup +/ will also be reported.
Keywords :
frequency standards; optical variables measurement; strontium; trapped ions; /sup 2/S/sub 1/2/-/sup 2/D/sub 5/2/ transition; /sup 88/Sr/sup +/; 674 nm; National Physical Laboratory; cold trapped ions; femtosecond laser comb; narrow optical transitions; optical frequency standards; Frequency measurement; Laser theory; Laser transitions; Measurement standards; Particle beam optics; Physics; Standards development; Strontium; Thermal expansion; Ultrafast optics;
Conference_Titel :
Precision Electromagnetic Measurements, 2002. Conference Digest 2002 Conference on
Conference_Location :
Ottawa, Ontario, Canada
Print_ISBN :
0-7803-7242-5
DOI :
10.1109/CPEM.2002.1034763