Blackbody Radiation Shifts for 171Yb+ Optical Clock Transitions

C.F.A. Baynham, E. A. Curtis, R.M. Godun (Corresponding author), J.M. Jones, P.B.R. Nisbet-Jones, P. Gill, T. Fordell, T. Hieta, T. Lindvall

    Research output: Contribution to conferenceConference articleScientific

    Abstract

    Measurements of the scalar and tensor differential atomic polarisabilities have been made for two optical clock transitions in 171Yb+. The experiments were carried out using an electric field with mid-infrared frequency, making the results directly applicable to blackbody radiation (BBR) frequency shifts for thermal environments close to room-temperature. The results lead to a several-fold reduction in the achievable BBR fractional frequency shift uncertainty for the E2 clock transition, and the BBR shift uncertainty for the E3 clock transition agrees well with an independent measurement.
    Original languageEnglish
    Number of pages2
    Publication statusPublished - 2017
    EventJoint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium, EFTF/IFCS - Besancon, France
    Duration: 9 Jul 201713 Jul 2017
    http://www.eftf-ifcs2017.org/ (Website)

    Conference

    ConferenceJoint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium, EFTF/IFCS
    Abbreviated titleEFTF/IFCS
    Country/TerritoryFrance
    CityBesancon
    Period9/07/1713/07/17
    Internet address

    Keywords

    • optical clocks
    • frequency standards
    • atomic physics

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