Diffraction-contrast imaging of cold atoms

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    Author
    Turner, Lincoln D.; Domen, Kenian E. F. M.; Scholten, Robert E.
    Date
    2005-01
    Source Title
    Physical Review A (submitted)
    University of Melbourne Author/s
    TURNER, LINCOLN DAVID; DOMEN, KENIAN; Scholten, Robert
    Affiliation
    Science: School of Physics
    Metadata
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    Document Type
    Journal (On-line/Unpaginated)
    Citations
    Turner, Lincoln D. and Domen, Kenian E. F. M. and Scholten, Robert E. (2005) Diffraction-contrast imaging of cold atoms, in Physical Review A (submitted),
    Access Status
    Open Access
    URI
    http://hdl.handle.net/11343/33816
    Abstract
    We consider the inverse problem of in-line holography, applied to minimally-destructive imagingof cold atom clouds. Absorption imaging near resonance provides a simple, but destructive measurementof atom column density. Imaging off resonance greatly reduces heating, and sequential imagesmay be taken. Under the conditions required for off-resonant imaging, the generally-intractable inverseproblem may be linearized. A minimally-destructive, quantitative and high-resolution imageof the atom cloud column density is then retrieved from a single diffraction pattern.
    Keywords
    diffraction-contrast imaging of cold atoms; holographic imaging of cold atoms; non-destructive imaging; cold atom imaging; defocus contrast; phase retrieval.

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