X-ray phase contrast tomography with a bending magnet source

X-ray radiography and x-ray tomography are important tools for noninvasive characterization of materials. Historically, the contrast mechanism used with these techniques has been absorption. However, for any given sample there are x-ray energies for which absorption contrast is poor. Alternatively,...

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Veröffentlicht in:Review of scientific instruments 2005-08, Vol.76 (8), p.083707-083707-5
Hauptverfasser: Peele, A. G., De Carlo, F., McMahon, P. J., Dhal, B. B., Nugent, K. A.
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container_end_page 083707-5
container_issue 8
container_start_page 083707
container_title Review of scientific instruments
container_volume 76
creator Peele, A. G.
De Carlo, F.
McMahon, P. J.
Dhal, B. B.
Nugent, K. A.
description X-ray radiography and x-ray tomography are important tools for noninvasive characterization of materials. Historically, the contrast mechanism used with these techniques has been absorption. However, for any given sample there are x-ray energies for which absorption contrast is poor. Alternatively, when good contrast can be obtained, radiation damage from an excessive dose may become an issue. Consequently, phase-contrast methods have in recent years been implemented at both synchrotron and laboratory facilities. A range of radiographic and tomographic demonstrations have now been made, typically utilizing the coherent flux from an insertion device at a synchrotron or a microfocus laboratory source. In this paper we demonstrate that useful results may be obtained using a bending magnet source at a synchrotron. In particular we show that the same beamline can be used to make and characterize a sample made by x-ray lithographic methods.
doi_str_mv 10.1063/1.2005447
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source AIP Journals Complete; AIP Digital Archive
subjects ABSORPTION
BEAM BENDING MAGNETS
DAMAGE
DOSES
PARTICLE ACCELERATORS
SYNCHROTRONS
TOMOGRAPHY
TRANSFER FUNCTIONS
X RADIATION
X-RAY RADIOGRAPHY
title X-ray phase contrast tomography with a bending magnet source
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