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Marcel Mudrich

Photoassociation inside an optical dipole trap: Absolute rate coefficients and Franck-Condon factors

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  • R. Wester, Albert-Ludwigs-Universität Freiburg
  • ,
  • S.D. Kraft, Albert-Ludwigs-Universität Freiburg
  • ,
  • M. Mudrich
  • M. U. Staudt, Albert-Ludwigs-Universität Freiburg
  • ,
  • J. Lange, Albert-Ludwigs-Universität Freiburg
  • ,
  • N. Vanhaecke, Laboratoire Aimé Cotton, CNRS, Bâtiment 505, Fritz-Haber Institut
  • ,
  • O. Dulieu, Laboratoire Aimé Cotton, CNRS, Bâtiment 505
  • ,
  • M. Weidemüller, Albert-Ludwigs-Universität Freiburg

We present quantitative measurements of the photoassociation of cesium molecules inside a far-detuned optical dipole trap. A model of the trap-depletion dynamics is derived which allows us to extract absolute photoassociation rate coefficients for the initial single-photon photoassociation step from measured trap-loss spectra. The sensitivity of this approach is demonstrated by measuring the Franck-Condon modulation of the weak photoassociation transitions into the low-vibrational levels of the outer well of the Og- state that correlates to the 6s + 6p 3/2 asymptote. The measurements are compared to theoretical predictions. In a magneto-optical trap, these transitions have previously only been observed indirectly through ionization of ground-state molecules.

OriginalsprogEngelsk
TidsskriftApplied Physics B
Vol/bind79
Nummer8 SPEC. ISS.
Sider (fra-til)993-999
Antal sider7
ISSN0946-2171
DOI
StatusUdgivet - dec. 2004
Eksternt udgivetJa

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