Energy‐modulated x‐ray microtomography

We describe an instrument for computerized x‐ray tomography which can provide fully three‐dimensional examination of small samples (a few millimeters to a few centimeters) with resolution variable from 5 to 100 μm. Elemental and chemical‐state distributions are obtained with high resolution by modul...

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Published in:Review of scientific instruments 1988-01, Vol.59 (1), p.196-197
Main Authors: Kinney, John H., Johnson, Quintin C., Saroyan, R. Allyn, Nichols, Monte C., Bonse, Ulrich, Nusshardt, Rudolf, Pahl, Reinhardt
Format: Article
Language:English
Subjects:
Exact sciences and technology
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Physics
X- and γ-ray instruments and techniques
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container_title Review of scientific instruments
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creator Kinney, John H.
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description We describe an instrument for computerized x‐ray tomography which can provide fully three‐dimensional examination of small samples (a few millimeters to a few centimeters) with resolution variable from 5 to 100 μm. Elemental and chemical‐state distributions are obtained with high resolution by modulating the energy of the incident x‐ray beam. An essential component is the monochromator we designed and optimized for chemical microtomography. It has a narrow energy bandpass and a large degree of harmonic suppression, provides a uniform x‐ray beam with small angle of divergence, and is cooled in a way that eliminates thermal and vibrational instabilities.
doi_str_mv 10.1063/1.1140012
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source AIP Digital Archive; AIP Journals (American Institute of Physics)
subjects Exact sciences and technology
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Physics
X- and γ-ray instruments and techniques
title Energy‐modulated x‐ray microtomography
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