Three-Dimensional X-Ray Microtomography

The new technique of x-ray microtomography nondestructively generates three-dimensional maps of the x-ray attenuation coefficient inside small samples with approximately 1 percent accuracy and with resolution approaching 1 micrometer. Spatially resolved elemental maps can be produced with synchrotro...

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Bibliographic Details
Published inScience (American Association for the Advancement of Science) Vol. 237; no. 4821; pp. 1439 - 1444
Main Authors Flannery, Brian P., Deckman, Harry W., Roberge, Wayne G., D'Amico, Kevin L.
Format Journal Article
LanguageEnglish
Published United States The American Association for the Advancement of Science 18.09.1987
American Association for the Advancement of Science
Subjects
Collimation
Image reconstruction
Image resolution
Imaging
Innovations
Microscope and microscopy
Microscopes
Microscopy
Phosphors
Pixels
Synchrotrons
Technology
Tomography
Transcriptional regulatory elements
X ray sources
X-ray microscope
X-ray microscopes
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Summary:The new technique of x-ray microtomography nondestructively generates three-dimensional maps of the x-ray attenuation coefficient inside small samples with approximately 1 percent accuracy and with resolution approaching 1 micrometer. Spatially resolved elemental maps can be produced with synchrotron x-ray sources by scanning samples at energies just above and below characteristic atomic absorption edges. The system consists of a high-resolution imaging x-ray detector and high-speed algorithms for tomographic image reconstruction. The design and operation of the microtomography device are described, and tomographic images that illustrate its performance with both synchrotron and laboratory x-ray sources are presented.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
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ISSN:0036-8075
1095-9203
DOI:10.1126/science.237.4821.1439