Computer Science – Performance
Scientific paper
Sep 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999spie.3772..214u&link_type=abstract
Proc. SPIE Vol. 3772, p. 214-221, Developments in X-Ray Tomography II, Ulrich Bonse; Ed.
Computer Science
Performance
5
Scientific paper
Micro tomography imaging system for rocks and mineral samples was developed at the SPring-8. The experiments were performed on 'in-vacuum type' undulator beam line and bending magnet beam line. Transmission images were measured with an image detector that consists of a fluorescent screen, relay lens, and cooled CCD camera. Convolution back projection method was used to reconstruct tomographic images. As the results of performance test spatial resolution was about 17 micrometer, and the contrast resolution was about 10% in the X-ray linear attenuation coefficient. Three-dimensional structures and textures of some rocks and materials were obtained with the tomography system. Especially the three-dimensional tomographic images of chondrules from Allende meteorite, including a barred olivine chondrule were successfully obtained.
Kohmura Yoshiki
Nakano Tsukasa
Suzuki Yoshio
Tsuchiyama Akira
Uesugi Kentaro
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