Note: High density pulsed molecular beam for cold ion chemistry

M. G. Kokish, V. Rajagopal, J. P. Marler, B. C. Odom*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


A recent expansion of cold and ultracold molecule applications has led to renewed focus on molecular species preparation under ultrahigh vacuum conditions. Meanwhile, molecular beams have been used to study gas phase chemical reactions for decades. In this paper, we describe an apparatus that uses pulsed molecular beam technology to achieve high local gas densities, leading to faster reaction rates with cold trapped ions. We characterize the beam's spatial profile using the trapped ions themselves. This apparatus could be used for preparation of molecular species by reactions requiring excitation of trapped ion precursors to states with short lifetimes or for obtaining a high reaction rate with minimal increase of background chamber pressure.

Original languageEnglish (US)
Article number086111
JournalReview of Scientific Instruments
Issue number8
StatePublished - Aug 2014

ASJC Scopus subject areas

  • Instrumentation


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