Resolved diffraction patterns from a reflection grating for atoms

We studied atomic diffraction at normal incidence from an evanescent standing wave with high resolution using velocity-selective Raman transitions. We observed up to three resolved orders of diffraction, which are well accounted for using scalar diffraction theory. In our experiment the transverse c...

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Bibliographic Details
Published in:Journal of optics. B, Quantum and semiclassical optics Quantum and semiclassical optics, 2003-04, Vol.5 (2), p.S103-S106
Main Authors: Estève, J, Stevens, D, Savalli, V, Westbrook, N, Westbrook, C I, Aspect, A
Format: Article
Language:English
Subjects:
Atom and neutron optics
Classical and quantum physics: mechanics and fields
Exact sciences and technology
Matter waves
Physics
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Summary:We studied atomic diffraction at normal incidence from an evanescent standing wave with high resolution using velocity-selective Raman transitions. We observed up to three resolved orders of diffraction, which are well accounted for using scalar diffraction theory. In our experiment the transverse coherence length of the source is greater than the period of the diffraction grating.
ISSN:1464-4266
1741-3575
DOI:10.1088/1464-4266/5/2/365