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Framework for three-dimensional coherent diffraction imaging by focused beam x-ray Bragg ptychography |
Optics Letters, Vol. 36, Issue 12, pp. 2227-2229 (2011)
http://dx.doi.org/10.1364/OL.36.002227
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Abstract
We present the framework for convergent beam Bragg ptychography, and, using simulations, we demonstrate that nanocrystals can be ptychographically reconstructed from highly convergent x-ray Bragg diffraction. The ptychographic iterative engine is extended to three dimensions and shown to successfully reconstruct a simulated nanocrystal using overlapping raster scans with a defocused curved beam, the diameter of which matches the crystal size. This object reconstruction strategy can serve as the basis for coherent diffraction imaging experiments at coherent scanning nanoprobe x-ray sources.
© 2011 Optical Society of America
OCIS Codes
(100.5070) Image processing : Phase retrieval
(110.1650) Imaging systems : Coherence imaging
(110.6880) Imaging systems : Three-dimensional image acquisition
(110.7440) Imaging systems : X-ray imaging
ToC Category:
Instrumentation, Measurement, and Metrology
History
Original Manuscript: March 21, 2011
Revised Manuscript: May 3, 2011
Manuscript Accepted: May 3, 2011
Published: June 7, 2011
Citation
Stephan O. Hruszkewycz, Martin V. Holt, Ash Tripathi, Jörg Maser, and Paul H. Fuoss, "Framework for three-dimensional coherent diffraction imaging by focused beam x-ray Bragg ptychography," Opt. Lett. 36, 2227-2229 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-12-2227
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