Issue 40, 2006

Doppler-free/Doppler-sliced ion imaging

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.

Graphical abstract: Doppler-free/Doppler-sliced ion imaging

Article information

Article type
Communication
Submitted
29 Aug 2006
Accepted
15 Sep 2006
First published
25 Sep 2006

Phys. Chem. Chem. Phys., 2006,8, 4652-4654

Doppler-free/Doppler-sliced ion imaging

C. Huang, S. A. Lahankar, M. Hwa Kim, B. Zhang and A. G. Suits, Phys. Chem. Chem. Phys., 2006, 8, 4652 DOI: 10.1039/B612324D

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