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Journal Articles AIP Conference Proceedings Year : 2017

Characterization of a seeded pulsed molecular beam using the velocity map imaging technique

Abstract

An experimental study has been performed to characterize the density and the velocity distribution in a pulsed molecular beam generated by a source associating a pulsed valve and an oven placed just downstream. In its operating mode, the flow is alternatively in a supersonic and effusive regime. The Velocity Map Imaging (VMI) technique associated with laser ionization allows measuring the velocity distribution and the density of molecules as a function of time during the expansion. It gives us a very precise insight into the structure of the molecule bunch, and therefore into the nature of the expansion from which the molecular beam is extracted.
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Dates and versions

cea-01401343 , version 1 (23-11-2016)

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Lietard A., Poisson L., Mestdagh J.M., Gaveau M.A.. Characterization of a seeded pulsed molecular beam using the velocity map imaging technique . AIP Conference Proceedings, 2017, 1786, pp.060004-1-060004-6. ⟨10.1063/1.4967576⟩. ⟨cea-01401343⟩
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