Tomographic reconstruction of three-dimensional objects from hard X-ray differential phase contrast projection images

Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

Volumn 580, Issue 2, 2007, Pages 925-928

  Pfeiffer, F ^a   Bunk, O ^a   Kottler, C ^a   David, C ^a  

^a PAUL SCHERRER INSTITUTE   (Switzerland)

Author keywords

Computed tomography; Filtered backprojection; Phase contrast; X ray tomography

Indexed keywords

BACKPROPAGATION; COMPUTERIZED TOMOGRAPHY; INTERFEROMETERS; REFRACTIVE INDEX; THREE DIMENSIONAL COMPUTER GRAPHICS; X RAYS;

FILTERED BACKPROJECTION; TOMOGRAPHIC PHASE CONTRAST IMAGING; VOLUMETRIC INFORMATION; X RAY TOMOGRAPHY;

IMAGE RECONSTRUCTION;

EID: 34548476795     PISSN: 01689002     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.nima.2007.06.104     Document Type: Article

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25. 2 = 2.0 μ m. The height of the grating structures were 42 μ m (G0), 35 μ m (G1), and 26 μ m (G2). The distances between the gratings were l = 1.57 m and d = 43 mm.
26. 2. No principle constraints hinder the upscaling by using state-of-the-art (300 mm) techniques.
27. 2 pixel size.
28. For one projection, four individual raw images (phase-stepping) with exposure times of 5 s each were recorded. The total exposure time can be greatly reduced by (a) using a more efficient detector, (b) decreasing the distance between the source and the sample, and (c) using standard rotating anode X-ray generators with a power of several kW.