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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)
A. A. Madej ; Frequency and Time Group, Institute for National Measurement Standards, National Research Council of Canada, Bldg. M-36, NRC, 1200 Montreal Rd. Ottawa, Ontario, Canada ; P. Dube ; J. E. Bernard ; A. D. Shiner
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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:

2008 Conference on Precision Electromagnetic Measurements Digest

Date of Conference:

8-13 June 2008