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Proceedings Paper

X-ray fluorescence computed tomography system for biomedical imaging
Author(s): Toshiyuki Enomoto; Eiichi Sato; Purkhet Abderyim; Hiroshi Matsukiyo; Akihiro Osawa; Manabu Watanabe; Jiro Nagao M.D.; Seiichiro Nomiya; Keitro Hitomi; Mitsuru Izumisawa; Akira Ogawa; Shigehiro Sato
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Paper Abstract

An x-ray fluorescence (XRF) computed tomography (CT) system utilizing a cadmium telluride (CdTe) detector is described. The CT system is of the first generation type and consists of a cerium x-ray generator, a turn table, a translation stage, a two-stage controller, a CdTe spectrometer, a multichannel analyzer (MCA), a counter board (CB), and a personal computer (PC). When an object is exposed by the x-ray generator, iodine K-series fluorescences are produced and are detected from vertical direction to x-ray axis using the spectrometer. Fluorescent photons are selected out using the MCA and are counted by the PC via CB, and XRF CT is performed by repeating translation and rotation of an object.

Paper Details

Date Published: 3 September 2008
PDF: 5 pages
Proc. SPIE 7080, Penetrating Radiation Systems and Applications IX, 70800A (3 September 2008); doi: 10.1117/12.795548
Show Author Affiliations
Toshiyuki Enomoto, Toho Univ. School of Medicine (Japan)
Eiichi Sato, Iwate Medical Univ. (Japan)
Purkhet Abderyim, Iwate Univ. (Japan)
Hiroshi Matsukiyo, Toho Univ. School of Medicine (Japan)
Akihiro Osawa, Toho Univ. School of Medicine (Japan)
Manabu Watanabe, Toho Univ. School of Medicine (Japan)
Jiro Nagao M.D., Toho Univ. School of Medicine (Japan)
Seiichiro Nomiya, Raytec Inc. (Japan)
Keitro Hitomi, Tohoku Institute of Technology (Japan)
Mitsuru Izumisawa, Iwate Medical Univ. (Japan)
Akira Ogawa, Iwate Medical Univ. (Japan)
Shigehiro Sato, Iwate Medical Univ. (Japan)

Published in SPIE Proceedings Vol. 7080:
Penetrating Radiation Systems and Applications IX
F. Patrick Doty; H. Bradford Barber; Hans Roehrig; Richard C Schirato, Editor(s)

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