Doppler-free/Doppler-sliced ion imaging

Cunshun Huang, Sridhar A. Lahankar, Myung Hwa Kim, Bailin Zhang, Arthur G. Suits

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

We demonstrate a hybrid Doppler-free/Doppler-sliced ion imaging approach that is well-suited for detection of H or D atoms. The method relies on 2 + 1 resonant ionization with identical, nearly counterpropagating beams that are coplanar but directed at a small angle relative to the detector face. This results in Doppler selection of the velocity component along the time of flight axis but Doppler-free detection in the plane perpendicular to this axis. The results show high signal level and excellent slicing (∼5%), yielding velocity resolution completely determined by cation recoil in the ionization step.

Original languageEnglish
Pages (from-to)4652-4654
Number of pages3
JournalPhysical Chemistry Chemical Physics
Volume8
Issue number40
DOIs
StatePublished - 2006

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