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Applied Physics B

, 122:57 | Cite as

A single-ion trap with minimized ion–environment interactions

  • P. B. R. Nisbet-JonesEmail author
  • S. A. King
  • J. M. Jones
  • R. M. Godun
  • C. F. A. Baynham
  • K. Bongs
  • M. Doležal
  • P. Balling
  • P. Gill
Article

Abstract

We present a new single-ion endcap trap for high-precision spectroscopy that has been designed to minimize ion–environment interactions. We describe the design in detail and then characterize the working trap using a single trapped \(^{171}{\rm Yb}^{+}\) ion. Excess micromotion has been eliminated to the resolution of the detection method, and the trap exhibits an anomalous phonon heating rate of \(d\langle n\rangle /{\mathrm{d}}t = 24 ^{+30}_{-24}\,{\rm s}^{-1}\). The thermal properties of the trap structure have also been measured with an effective temperature rise at the ion’s position of \({\Delta }T_{\mathrm{(ion)}} = 0.14 \pm 0.14\,{\rm K}\). The small perturbations to the ion caused by this trap make it suitable to be used for an optical frequency standard with fractional uncertainties below the \(10^{-18}\) level.

Keywords

Compensation Voltage Trap Structure Secular Frequency Fractional Uncertainty Endcap Electrode 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgments

This work was funded by the European Metrology Research Programme (EMRP), the UK National Measurement System, and the European Space Agency (ESA). The EMRP is jointly funded by the EMRP participating countries within EURAMET and the European Union.

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Copyright information

© Crown Copyright as represented by the National Physical Laboratory 2016

Authors and Affiliations

  1. 1.National Physical LaboratoryMiddlesexUK
  2. 2.Czech Metrology InstitutePragueCzech Republic
  3. 3.School of Physics and AstronomyUniversity of BirminghamBirminghamUK
  4. 4.Clarendon LaboratoryUniversity of OxfordOxfordUK

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