Point-Source Artifacts in Fresnel Zone Plate Imaging
- 1 August 1973
- journal article
- Published by SPIE-Intl Soc Optical Eng in Optical Engineering
- Vol. 12 (4) , 124133-124133-
- https://doi.org/10.1117/12.7971646
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.Keywords
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