Diffraction-contrast imaging of cold atoms
AuthorTurner, Lincoln D.; Domen, Kenian E. F. M.; Scholten, Robert E.
Source TitlePhysical Review A (submitted)
AffiliationScience: School of Physics
Document TypeJournal (On-line/Unpaginated)
CitationsTurner, 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 StatusOpen Access
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.
Keywordsdiffraction-contrast imaging of cold atoms; holographic imaging of cold atoms; non-destructive imaging; cold atom imaging; defocus contrast; phase retrieval.
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