Direct three-dimensional tomographic reconstruction and phase retrieval of far-field coherent diffraction patterns

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We present an alternative numerical reconstruction algorithm for direct tomographic reconstruction of a sample's refractive indices from the measured intensities of its far-field coherent diffraction patterns. We formulate the well-known phase-retrieval problem in ptychography in a tomographic framework which allows for simultaneous reconstruction of the illumination function and the sample's refractive indices in three dimensions. Our iterative reconstruction algorithm is based on the Levenberg-Marquardt algorithm and we demonstrate the performance of our proposed method with simulated and real datasets.
Original languageEnglish
Article number023801
JournalPhysical Review A (Atomic, Molecular and Optical Physics)
Volume99
Issue number2
Number of pages9
ISSN2469-9926
DOIs
Publication statusPublished - 2019
CitationsWeb of Science® Times Cited: No match on DOI
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