Absolute frequency of the {sup 88}Sr{sup +} 5s {sup 2}S{sub 1/2}-4d {sup 2}D{sub 5/2} reference transition at 445 THz and evaluation of systematic shifts
Journal Article
·
· Physical Review. A
- Frequency and Time Group, Institute for National Measurement Standards, National Research Council of Canada, Ottawa, K1A 0R6 (Canada)
A Cs referenced optical frequency comb system has been used to measure the center frequency of the 5s {sup 2}S{sub 1/2}-4d {sup 2}D{sub 5/2} transition at 445 THz in a single, trapped, and laser-cooled {sup 88}Sr{sup +} ion. The transition frequency {nu}{sub SD}=444 779 044 095 510 Hz{+-}50 Hz (1{sigma}) is obtained, when corrected for systematic shifts. A detailed calculation of the estimated systematic shifts is presented which yields improved values for the various shift parameters including blackbody and electric quadrupole moment shifts.
- OSTI ID:
- 20643899
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 1 Vol. 70; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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