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Diffraction enhanced x-ray imaging

Physics in Medicine and Biology · 1997 · Vol. 42(11) · pp. 2015–2025

D. Chapman✉(Illinois Institute of Technology)W. Thomlinson(Brookhaven National Laboratory)Richard Johnston(University of North Carolina at Chapel Hill)David B. Washburn(University of North Carolina at Chapel Hill)Etta D. Pisano(University of North Carolina at Chapel Hill)Nicholas F. Gmür(Brookhaven National Laboratory)Z. Zhong(Brookhaven National Laboratory)R.H. MenkF. Arfelli(Istituto Nazionale di Fisica Nucleare, Sezione di Trieste)D. E. Sayers(North Carolina State University)

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Abstract

Diffraction enhanced imaging is a new x-ray radiographic imaging modality using monochromatic x-rays from a synchrotron which produces images of thick absorbing objects that are almost completely free of scatter. They show dramatically improved contrast over standard imaging applied to the same phantom. The contrast is based not only on attenuation but also the refraction and diffraction properties of the sample. This imaging method may improve image quality for medical applications, industrial radiography for non-destructive testing and x-ray computed tomography.

Advanced X-ray Imaging Techniques Advanced X-ray and CT Imaging Medical Imaging Techniques and ApplicationsMonochromatic colorImaging phantomRadiographyOpticsDiffractionRefractionMaterials scienceSynchrotronMedical imagingAttenuation