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Journal Article

Cryogenic linear Paul trap for cold highly charged ion experiments

MPS-Authors
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Schwarz,  M.
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

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Versolato,  Oscar
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

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Windberger,  Alexander
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

Brunner,  F. R.
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

Ballance,  T.
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

Eberle,  S. N.
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

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Ullrich,  J.
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

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Crespo López Urrutia,  J. R.
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

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http://link.aip.org/link/doi/10.1063/1.4742770
(Publisher version)

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Citation

Schwarz, M., Versolato, O., Windberger, A., Brunner, F. R., Ballance, T., Eberle, S. N., et al. (2012). Cryogenic linear Paul trap for cold highly charged ion experiments. Review of scientific instruments, 83(8): 083115, pp. 1-10. doi:10.1063/1.4742770.


Cite as: https://hdl.handle.net/11858/00-001M-0000-000F-EFE5-1
Abstract
Storage and cooling of highly charged ions require ultra-high vacuum levels obtainable by means of cryogenic methods. We have developed a linear Paul trap operating at 4 K capable of very long ion storage times of about 30 h. A conservative upper bound of the H2 partial pressure of about 10−15 mbar (at 4 K) is obtained from this. External ion injection is possible and optimized optical access for lasers is provided, while exposure to black body radiation is minimized. First results of its operation with atomic and molecular ions are presented. An all-solid state laser system at 313 nm has been set up to provide cold Be+ ions for sympathetic cooling of highly charged ions.