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Murböck T, Schmidt S, Andelkovic Z, et al. A compact source for bunches of singly charged atomic ions. Rev Sci Instrum. 2016;87(4):043302doi: 10.1063/1.4944946.
Murböck, T., Schmidt, S., Andelkovic, Z., Birkl, G., Nörtershäuser, W., & Vogel, M. (2016). A compact source for bunches of singly charged atomic ions. The Review of scientific instruments, 87(4), 043302. https://doi.org/10.1063/1.4944946
Murböck, T, et al. "A compact source for bunches of singly charged atomic ions." The Review of scientific instruments vol. 87,4 (2016): 043302. doi: https://doi.org/10.1063/1.4944946
Murböck T, Schmidt S, Andelkovic Z, Birkl G, Nörtershäuser W, Vogel M. A compact source for bunches of singly charged atomic ions. Rev Sci Instrum. 2016 Apr;87(4):043302. doi: 10.1063/1.4944946. PMID: 27131666.
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Rev Sci Instrum. 2016 Apr;87(4):043302. doi: 10.1063/1.4944946.

A compact source for bunches of singly charged atomic ions.

The Review of scientific instruments

T Murböck, S Schmidt, Z Andelkovic, G Birkl, W Nörtershäuser, M Vogel

Affiliations

  1. Institut für Angewandte Physik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany.
  2. Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany.
  3. GSI Helmholtzzentrum für Schwerionenforschung, D-64291 Darmstadt, Germany.

PMID: 27131666 DOI: 10.1063/1.4944946

Abstract

We have built, operated, and characterized a compact ion source for low-energy bunches of singly charged atomic ions in a vacuum beam line. It is based on atomic evaporation from an electrically heated oven and ionization by electron impact from a heated filament inside a grid-based ionization volume. An adjacent electrode arrangement is used for ion extraction and focusing by applying positive high-voltage pulses to the grid. The method is particularly suited for experimental environments which require low electromagnetic noise. It has proven simple yet reliable and has been used to produce μs-bunches of up to 10(6) Mg(+) ions at a repetition rate of 1 Hz. We present the concept, setup and characterizing measurements. The instrument has been operated in the framework of the SpecTrap experiment at the HITRAP facility at GSI/FAIR to provide Mg(+) ions for sympathetic cooling of highly charged ions by laser-cooled (24)Mg(+).

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