Phys. Rev. A 72, 031403(R) (2005) [4 pages]

Diffraction-contrast imaging of cold atoms

Abstract

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L. D. Turner^*,†, K. F. E. M. Domen^‡, and R. E. Scholten
School of Physics, University of Melbourne, Victoria 3010, Australia

Received 1 March 2005; revised 17 May 2005; published 15 September 2005

We consider the inverse problem of in-line holography, applied to minimally destructive imaging of cold atom clouds. Absorption imaging near resonance provides a simple, but destructive measurement of atom column density. Imaging off resonance greatly reduces heating, and sequential images may be taken. Under the conditions required for off-resonant imaging, the generally intractable inverse problem may be linearized. A minimally destructive, quantitative and high-resolution image of the atom cloud column density is then retrieved from a single diffraction pattern.

URL:

http://link.aps.org/doi/10.1103/PhysRevA.72.031403

DOI:

10.1103/PhysRevA.72.031403

PACS:

32.80.Pj, 42.40.Ht, 42.30.Rx

^*Present address: National Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA

^†Electronic address: l.turner@aip.org.au

^‡Present address: Faculty of Applied Physics, Eindhoven University of Technology, The Netherlands.

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Phys. Rev. A 72, 031403(R) (2005) [4 pages]

Diffraction-contrast imaging of cold atoms