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Schmid PC, Greenberg J, Miller MI, et al. An ion trap time-of-flight mass spectrometer with high mass resolution for cold trapped ion experiments. Rev Sci Instrum. 2017;88(12):123107doi: 10.1063/1.4996911.
Schmid, P. C., Greenberg, J., Miller, M. I., Loeffler, K., & Lewandowski, H. J. (2017). An ion trap time-of-flight mass spectrometer with high mass resolution for cold trapped ion experiments. The Review of scientific instruments, 88(12), 123107. https://doi.org/10.1063/1.4996911
Schmid, P C, et al. "An ion trap time-of-flight mass spectrometer with high mass resolution for cold trapped ion experiments." The Review of scientific instruments vol. 88,12 (2017): 123107. doi: https://doi.org/10.1063/1.4996911
Schmid PC, Greenberg J, Miller MI, Loeffler K, Lewandowski HJ. An ion trap time-of-flight mass spectrometer with high mass resolution for cold trapped ion experiments. Rev Sci Instrum. 2017 Dec;88(12):123107. doi: 10.1063/1.4996911. PMID: 29289207.
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Rev Sci Instrum. 2017 Dec;88(12):123107. doi: 10.1063/1.4996911.

An ion trap time-of-flight mass spectrometer with high mass resolution for cold trapped ion experiments.

The Review of scientific instruments

P C Schmid, J Greenberg, M I Miller, K Loeffler, H J Lewandowski

Affiliations

  1. JILA and the Department of Physics, University of Colorado, Boulder, Colorado 80309-0440, USA.

PMID: 29289207 DOI: 10.1063/1.4996911

Abstract

Trapping molecular ions that have been sympathetically cooled with laser-cooled atomic ions is a useful platform for exploring cold ion chemistry. We designed and characterized a new experimental apparatus for probing chemical reaction dynamics between molecular cations and neutral radicals at temperatures below 1 K. The ions are trapped in a linear quadrupole radio-frequency trap and sympathetically cooled by co-trapped, laser-cooled, atomic ions. The ion trap is coupled to a time-of-flight mass spectrometer to readily identify product ion species and to accurately determine trapped ion numbers. We discuss, and present in detail, the design of this ion trap time-of-flight mass spectrometer and the electronics required for driving the trap and mass spectrometer. Furthermore, we measure the performance of this system, which yields mass resolutions of m/Δm ≥ 1100 over a wide mass range, and discuss its relevance for future measurements in chemical reaction kinetics and dynamics.

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