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Freiburg 2024 – wissenschaftliches Programm

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MS: Fachverband Massenspektrometrie

MS 4: Poster

MS 4.2: Poster

Dienstag, 12. März 2024, 17:00–19:00, Aula Foyer

Apparatus for deterministic ionization and loading of molecules — •René Nardi, Brandon Furey, Stefan Walser, Zhenlin Wu, Mariano Isaza Monsalve, Elyas Mattivi, and Philipp Schindler — Universität Innsbruck, Institut für Experimentalphysik, Innsbruck, Österreich

We study the complex rovibrational structure of trapped molecular ions and their potential applications in molecular quantum information processing. Our experiments are currently limited to investigating CaOH+, which are created from chemical reactions of trapped Ca+ and free H2O. In order to load other molecular species, we are building a test setup where a molecular gas is injected in a vacuum chamber, photoionized, and then guided into an ion trap. This test setup features a time-of-flight mass spectrometer to determine the ions created by photoionization of N2+ and acetylene. Mass filters and ion optics can then be added to steer and focus the molecule of interest through a differential pumping region towards a linear Paul trap in a UHV chamber. Molecular ions can be injected into the trapping region through an aperture in the end-cap electrode for axial confinement in our linear ion trap.

Keywords: Time-of-flight MS; Loading of molecular ions

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