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Extended precision measurements of a strontium single ion optical frequency standard and its development as an optical atomic clock

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7 Author(s)
Madej, A.A. ; Freq. & Time Group, Nat. Res. Council of Canada, Ottawa, ON ; Dube, P. ; Bernard, J.E. ; Shiner, A.D.
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We describe the recent advances of the NRC single ion based optical frequency standard using the 445-THz S-D transition in 88Sr+. Laser cooled confinement and probing of the clock transition has been obtained for periods exceeding 24 hours showing high levels of stability. Spectral resolutions better than 5 Hz at 445 THz have been obtained. Work is described on the development of an improved ion trap system and the continuous linkage of the optical frequency to the RF domain using a fiber based frequency comb.

Published in:

Precision Electromagnetic Measurements Digest, 2008. CPEM 2008. Conference on

Date of Conference:

8-13 June 2008

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