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Proceedings Paper

Characterization of the in-line x-ray phase contrast imaging beam line developed at ALLS and based on laser driven betatron radiation
Author(s): S. Fourmaux; K. Otani; A. Saraf; S. MacLean; M. J. Wesolowski; P. S. Babyn; E. Hallin; A. Krol; J. C. Kieffer
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Paper Abstract

The 200TW ALLS laser system (30 fs, 5J) is used to accelerate electrons through laser wakefield and generate betatron emission in the 10keV range. Single shot phase contrast images of a series of nylon fibers with diameter ranging from 10μm to 400μm have been obtained in different geometries and are interpreted with a comprehensive model of x-ray propagation integrating the properties and geometries of the imaging beam line. A simple figure of merit, which can give indication on the interface sharpness of a phase object, is used to assess the quality of the imaging beam line.

Paper Details

Date Published: 12 May 2015
PDF: 8 pages
Proc. SPIE 9509, Relativistic Plasma Waves and Particle Beams as Coherent and Incoherent Radiation Sources, 950907 (12 May 2015); doi: 10.1117/12.2087603
Show Author Affiliations
S. Fourmaux, Institut National de la Recherche Scientifique (Canada)
K. Otani, Institut National de la Recherche Scientifique (Canada)
A. Saraf, Institut National de la Recherche Scientifique (Canada)
S. MacLean, Institut National de la Recherche Scientifique (Canada)
Univ. of Waterloo (Canada)
M. J. Wesolowski, Univ. of Saskatchewan (Canada)
P. S. Babyn, Univ. of Saskatchewan (Canada)
E. Hallin, Canadian Light Source Inc. (Canada)
A. Krol, SUNY Upstate Medical Univ. (United States)
J. C. Kieffer, Institut National de la Recherche Scientifique (Canada)


Published in SPIE Proceedings Vol. 9509:
Relativistic Plasma Waves and Particle Beams as Coherent and Incoherent Radiation Sources
Dino A. Jaroszynski, Editor(s)

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