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  An ultralow-noise superconducting radio-frequency ion trap for frequency metrology with highly charged ions

Stark, J., Warnecke, C., Bogen, S., Chen, S., Dijck, E., Kühn, S., et al. (2021). An ultralow-noise superconducting radio-frequency ion trap for frequency metrology with highly charged ions. Review of Scientific Instruments, 92: 083203. doi:10.1063/5.0046569.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0009-1108-B Version Permalink: https://hdl.handle.net/21.11116/0000-0009-1109-A
Genre: Journal Article

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https://aip.scitation.org/doi/pdf/10.1063/5.0046569 (Publisher version)
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open access
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 Creators:
Stark, J.1, Author           
Warnecke, Christian1, Author           
Bogen, Sandra1, Author           
Chen , S., Author
Dijck, Elwin1, Author           
Kühn, Steffen1, Author           
Rosner, Michael1, Author           
Graf , A., Author
Nauta, J.1, Author           
Oelmann, Jan-Hendrik1, Author           
Schmöger, Lisa1, Author           
Schwarz, Maria1, Author           
Liebert, D., Author
Spieß, L. J., Author
King, S. A., Author
Leopold , T., Author
Micke, P.1, Author           
Schmidt , P. O., Author
Pfeifer, T.1, Author           
Crespo Lopez-Urrutia, J. R.1, Author           
Affiliations:
1Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society, ou_2025284              

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 Abstract: We present a novel ultrastable superconducting radio-frequency (RF) ion trap realized as a combination of an RF cavity and a linear Paul trap. Its RF quadrupole mode at 34.52 MHz reaches a quality factor of Q ≈ 2.3 × 105 at a temperature of 4.1 K and is used to radially confine ions in an ultralow-noise pseudopotential. This concept is expected to strongly suppress motional heating rates and related frequency shifts that limit the ultimate accuracy achieved in advanced ion traps for frequency metrology. Running with its low-vibration cryogenic cooling system, electron-beam ion trap, and deceleration beamline supplying highly charged ions (HCIs), the superconducting trap offers ideal conditions for optical frequency metrology with ionic species. We report its proof-of-principle operation as a quadrupole-mass filter with HCIs and trapping of Doppler-cooled 9Be+ Coulomb crystals.

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 Dates: 2021-08-18
 Publication Status: Published online
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1063/5.0046569
 Degree: -

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Title: Review of Scientific Instruments
  Abbreviation : Rev. Sci. Instrum.
Source Genre: Journal
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Publ. Info: Melville, NY : AIP Publishing
Pages: - Volume / Issue: 92 Sequence Number: 083203 Start / End Page: - Identifier: ISSN: 0034-6748
CoNE: https://pure.mpg.de/cone/journals/resource/991042742033452