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The European Physical Journal D

, Volume 47, Issue 3, pp 427–431 | Cite as

Schlieren imaging of nano-scale atom-surface inelastic transition using a Fresnel biprism atom interferometer

  • J. Grucker
  • J. Baudon
  • F. Perales
  • G. Dutier
  • V. Bocvarski
  • J.-C. Karam
  • G. Vassilev
  • M. Ducloy
Laser Cooling and Quantum Gas

Abstract.

Surface-induced exo-energetic inelastic transitions among atomic Zeeman states in a magnetic field (“van der Waals – Zeeman” transitions) are useable as tuneable beam splitters. A transversally coherent atom beam impinging a pair of opposite surfaces (e.g. 2 edges of a slit or of an ensemble of periodic slits) gives rise to two coherently diffracted wave packets. Within the wave packet overlap, non-localised interference fringes of the Young-slit type are predicted. From the diffraction pattern observed in the Fraunhofer regime (Schlieren image), detailed information about the transition amplitude on a scale of a few nanometers should be derived.

PACS.

03.75.Be Atom and neutron optics 37.25.+k Atom interferometry techniques 34.-35.+a Interactions and atom-molecule potentials and forces 

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Copyright information

© EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2008

Authors and Affiliations

  • J. Grucker
    • 1
  • J. Baudon
    • 1
  • F. Perales
    • 1
  • G. Dutier
    • 1
  • V. Bocvarski
    • 2
  • J.-C. Karam
    • 1
  • G. Vassilev
    • 1
  • M. Ducloy
    • 1
  1. 1.Laboratoire de Physique des Lasers (CNRS-UMR 7538), Université Paris 13VilletaneuseFrance
  2. 2.Institute of Physics - BelgradeZemunSerbia

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