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Applied Physics B

, 124:30 | Cite as

Efficient and robust photo-ionization loading of beryllium ions

  • Sebastian Wolf
  • Dominik Studer
  • Klaus Wendt
  • Ferdinand Schmidt-Kaler
Article
  • 256 Downloads

Abstract

We demonstrate the efficient generation of \(\hbox {Be}^+\) ions with a 60 ns and 150 nJ laser pulse near 235 nm for two-step photo-ionization, proven by subsequent counting of the number of ions loaded into a linear Paul trap. The bandwidth and power of the laser pulse are chosen in such a way that a first, resonant step fully saturates the entire velocity distribution of beryllium atoms effusing from a thermal oven. The second excitation step is driven by the same light field causing efficient non-resonant ionization. Our ion-loading scheme has a similar efficiency as compared to former pathways using two-photon continuous wave laser excitation, but with an order of magnitude lower than average UV light power.

Notes

Acknowledgements

We acknowledge support from the DFG through the DIP program (Grant no. SCHM 1049/7-1), within the cluster of excellence PRISMA and from the EU through ENSAR2 RESIST (Grant no. 654002).

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.QUANTUM, Institut für PhysikJohannes Gutenberg UniversitätMainzGermany

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