Development of microtomography imaging system for rock and mineral samples

Kentaro Uesugi; Akira Tsuchiyama; Tsukasa Nakano; Yoshio Suzuki; Naoto Yagi; Keiji Umetani; Yoshiki Kohmura

doi:10.1117/12.363724

22 September 1999 Development of microtomography imaging system for rock and mineral samples

Kentaro Uesugi; Akira Tsuchiyama; Tsukasa Nakano; Yoshio Suzuki; Naoto Yagi; Keiji Umetani; Yoshiki Kohmura

Author Affiliations +

Proceedings Volume 3772, Developments in X-Ray Tomography II; (1999) https://doi.org/10.1117/12.363724
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

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.

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Kentaro Uesugi, Kentaro Uesugi, Akira Tsuchiyama, Akira Tsuchiyama, Tsukasa Nakano, Tsukasa Nakano, Yoshio Suzuki, Yoshio Suzuki, Naoto Yagi, Naoto Yagi, Keiji Umetani, Keiji Umetani, Yoshiki Kohmura, Yoshiki Kohmura, } "Development of microtomography imaging system for rock and mineral samples", Proc. SPIE 3772, Developments in X-Ray Tomography II, (22 September 1999); doi: 10.1117/12.363724; https://doi.org/10.1117/12.363724

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