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Phys. Rev. Lett. 100, 155503 (2008) [4 pages]

Coherent Diffractive Imaging Using Phase Front Modifications

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I. Johnson1, K. Jefimovs1,*, O. Bunk1, C. David1, M. Dierolf1, J. Gray2, D. Renker1, and F. Pfeiffer1,3
1Paul Scherrer Institut, 5232 Villigen PSI, Switzerland
2Lawrence Livermore National Laboratory, Livermore, California 94550, USA
3Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland

Received 17 January 2008; published 17 April 2008

We introduce a coherent diffractive imaging technique that utilizes multiple exposures with modifications to the phase profile of the transmitted wave front to compensate for the missing phase information. This is a single spot technique sensitive to both the transmission and phase shift through the sample. Along with the details of the method, we present results from the first proof of principle experiment. The experiment was performed with 6.0 keV x rays, in which an estimated spatial resolution of 200 nm was achieved.

© 2008 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.100.155503
DOI:
10.1103/PhysRevLett.100.155503
PACS:
61.05.cp, 42.30.Rx, 42.30.Wb

*Current affiliation: EMPA, 8600 Dübendorf, Switzerland