Electrostatic extraction of cold molecules from a cryogenic reservoir

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dc.creatorvan Buuren, L. D.
dc.creatorSommer, C.
dc.creatorMotsch, M.
dc.creatorPohle, S.
dc.creatorSchenk, M.
dc.creatorBayerl, J.
dc.creatorPinkse, P. W. H.
dc.creatorRempe, G.
dc.date2008-06-16
dc.date2009-01-23
dc.date.accessioned2026-07-07T12:32:43Z
dc.date.available2026-07-07T12:32:43Z
dc.descriptionWe present a method which delivers a continuous, high-density beam of slow and internally cold polar molecules. In our source, warm molecules are first cooled by collisions with a cryogenic helium buffer gas. Cold molecules are then extracted by means of an electrostatic quadrupole guide. For ND$_3$ the source produces fluxes up to $(7 \pm ^{7}_{4}) \times 10^{10}$ molecules/s with peak densities up to $(1.0 \pm ^{1.0}_{0.6}) \times 10^9$ molecules/cm$^3$. For H$_2$CO the population of rovibrational states is monitored by depletion spectroscopy, resulting in single-state populations up to $(82 \pm 10)%$.
dc.description4 pages, 4 figures, changes to the text, updated figures and references
dc.identifierhttps://arxiv.org/abs/0806.2523
dc.identifierhttp://arxiv.org/abs/0806.2523
dc.identifierPhys. Rev. Lett. 102, 033001 (2009)
dc.identifierdoi:10.1103/PhysRevLett.102.033001
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/216877
dc.subjectChemical Physics
dc.titleElectrostatic extraction of cold molecules from a cryogenic reservoir
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