We report on the design and experimental realization of a 2D x-ray grating interferometer. We describe how this interferometer has been practically implemented, discuss its performance, and present multidirectional scattering (dark-field) maps and quantitative phase images that have been retrieved using this device.
[Show abstract][Hide abstract] ABSTRACT: In this paper we describe the design of different X-ray Talbot interferometers that have been built at the tomography beamline ID19 of the European Synchrotron Radiation Facility (ESRF) in Grenoble, France, and give a short review of performance characteristics, of current developments, and of the results obtained with these instruments so far. Among the applications so far, soft-tissue imaging has been a particular focus, as demonstrated in a recent paper by Schulz et al. (J. Roy. Soc. Interface, in press).
Proceedings of SPIE - The International Society for Optical Engineering 08/2010; 7804:780406. DOI:10.1117/12.860203 · 0.20 Impact Factor
[Show abstract][Hide abstract] ABSTRACT: We report on the implementation of X-ray grating interferometry at the imaging beamline ID19 of the European Synchrotron Radiation Facility (ESRF). We give a brief overview of the results obtained so far with this instrument and on ongoing developments.
[Show abstract][Hide abstract] ABSTRACT: We present in this Letter a type of quadriwave lateral shearing interferometer for x-ray phase imaging. This device is based on a phase chessboard, and we take advantage of the large spectrum of the source to produce interferograms with a propagation-invariant contrast. Such a grating has been created for hard x-ray interferometry and experimentally tested on a synchrotron beamline at Soleil.
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