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Optical Engineering

Point-Source Artifacts in Fresnel Zone Plate Imaging
Author(s): D. T. Wilson; H. H. Barrett; G. T. Demeester; M. H. Farmelant
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Paper Abstract

When a Fresnel zone plate is used as a coded aperture to image large-area sources of X-rays or gamma rays, it is necessary to use a half-tone screen. It is shown here that small-area sources, with such a system, will always produce strong ghost images or artifacts.

Paper Details

Date Published: 1 August 1973
PDF: 2 pages
Opt. Eng. 12(4) 124133 doi: 10.1117/12.7971646
Published in: Optical Engineering Volume 12, Issue 4
Show Author Affiliations
D. T. Wilson, Raytheon Research Division (United States)
H. H. Barrett, Raytheon Research Division (United States)
G. T. Demeester, Raytheon Research Division (United States)
M. H. Farmelant, St. Vincent Hospital (United States)


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