Results 141 to 150 of about 10,484 (198)
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Materials Characterization, 2010
In this tutorial, we describe X-ray microtomography as a technique to nondestructively characterize material microstructure in three dimensions at a micron level spatial resolution. While commercially available laboratory scale instrumentation is available, we focus our attention on synchrotron-based systems, where we can exploit a high flux ...
Eric N Landis
exaly +2 more sources
In this tutorial, we describe X-ray microtomography as a technique to nondestructively characterize material microstructure in three dimensions at a micron level spatial resolution. While commercially available laboratory scale instrumentation is available, we focus our attention on synchrotron-based systems, where we can exploit a high flux ...
Eric N Landis
exaly +2 more sources
Journal of Microscopy, 1982
SUMMARYA microscope system based on the principles of computerized axial tomography is described for determining the distribution of the X‐ray absorption coefficient in a slice from a solid object without cutting sections. An application is given to determining the distribution at a resolution of about 15 μm through a shell of about 0·5 mm diameter.
J C, Elliott, S D, Dover
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SUMMARYA microscope system based on the principles of computerized axial tomography is described for determining the distribution of the X‐ray absorption coefficient in a slice from a solid object without cutting sections. An application is given to determining the distribution at a resolution of about 15 μm through a shell of about 0·5 mm diameter.
J C, Elliott, S D, Dover
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Review of Scientific Instruments, 1989
The performance of a system for quantitave microtomography with synchrotron radiation is described with regard to the spatial resolving power. The experimental setup consists of a double-crystal monochromator, a monitor in front of a sample stage and a line scan detector which is built up of two photodiode arrays (Reticon RL1024SF), which are cooled by
K. Engelke +3 more
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The performance of a system for quantitave microtomography with synchrotron radiation is described with regard to the spatial resolving power. The experimental setup consists of a double-crystal monochromator, a monitor in front of a sample stage and a line scan detector which is built up of two photodiode arrays (Reticon RL1024SF), which are cooled by
K. Engelke +3 more
openaire +1 more source
Journal of Microscopy, 1987
SUMMARYThe study of the internal structure of objects is the main purpose of practically all microstructural investigations. At present there are several direct and indirect methods for the analysis of the internal microstructure of specimens. The most popular of them is scanning electron microscopy in which inferences on microstructure are made from ...
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SUMMARYThe study of the internal structure of objects is the main purpose of practically all microstructural investigations. At present there are several direct and indirect methods for the analysis of the internal microstructure of specimens. The most popular of them is scanning electron microscopy in which inferences on microstructure are made from ...
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Microtomography at GeoSoilEnviroCARS
SPIE Proceedings, 2004A facility for x-ray computed microtomography (CMT) is operating as a national user facility for earth and environmental sciences research on the bending magnet beamline at the GeoSoilEnviroCARS sector at the Advanced Photon Source (APS). The APS bending magnet has a critical energy of 20 keV, and thus provides high flux at photon energies up to 100 ...
Mark L. Rivers +2 more
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Water temperature sensing with microtomography
International Journal of Sensor Networks, 2012Small-scale marine environments (bays, marinas, etc.) are dynamic environments where diverse flora and fauna come into close contact with man-made processes. Yet, water temperature monitoring of coastal environments is spatially sparse due to the cost of acquiring, deploying and maintaining buoys.
Andrew Goodney, Young H. Cho
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Laser Microtomography for IVF Oocyte of Human
Doklady Biochemistry and Biophysics, 2021For in vitro fertilization technology, the quality of oocytes has a direct impact on the egg fertilization and developmental competence of early embryo. The morphological criteria are used for the estimation of oocyte quality before its fertilization in vitro. To date, only one method is known to determine the maturity of oocyte.
A G, Pogorelov +5 more
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Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 1990
Abstract A computer program for an IBM compatible PC using the method of filtered backprojection and the hardware necessary for microtomography have been developed for the GSI heavy ion microprobe. The spatial resolution so far achieved is 3 μm with argon ions of 1.4 MeV nucleon . The special usefulness of heavy ions for microtomography and the
B.E. Fischer, C. Mühlbauer
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Abstract A computer program for an IBM compatible PC using the method of filtered backprojection and the hardware necessary for microtomography have been developed for the GSI heavy ion microprobe. The spatial resolution so far achieved is 3 μm with argon ions of 1.4 MeV nucleon . The special usefulness of heavy ions for microtomography and the
B.E. Fischer, C. Mühlbauer
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Synchrotron Microtomography of Composites
MRS Proceedings, 1988AbstractX-ray computed tomography (CT) uses absorption profiles from many different viewing directions to reconstruct the two-dimensional distribution of x-ray absorptivity within a slice of the sample. The tunability, high brightness and parallelism of synchrotron radiation are critical to high resolution (0.001mm), high contrast (1%) CT or ...
S. R. Stock +6 more
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