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Proceedings Paper

X-ray computed tomography system using a multipixel photon counter
Author(s): Eiichi Sato; Hiroshi Matsukiyo; Akihiro Osawa; Toshiyuki Enomoto; Manabu Watanabe; Jiro Nagao; Purkhet Abderyim; Seiichiro Nomiya; Keitaro Hitomi; Akira Ogawa; Shigehiro Sato
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Paper Abstract

A photon-counting K-edge x-ray Computed Tomography (CT) system is useful for discriminating photon energy and for decreasing absorbed dose for patients. The CT system is of the first generation type and consists of an x-ray generator, a turn table, a translation stage, a two-stage controller, a multipixel photon counter (MPPC) module, a 0.5-mm-thick zinc oxide (ZnO) scintillator, a counter board (CB), and a personal computer (PC). Tomography is accomplished by repeating the translation and rotation of an object. Penetrating x-ray photons from the object are detected by the scintillator in conjunction with the MPPC module, and the event signals are counted by the CB. Without using energy discriminating, photon counting CT was carried out by controlling x-ray spectra.

Paper Details

Date Published: 4 September 2008
PDF: 7 pages
Proc. SPIE 7079, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics X, 70790H (4 September 2008); doi: 10.1117/12.795434
Show Author Affiliations
Eiichi Sato, Iwate Medical Univ. (Japan)
Hiroshi Matsukiyo, Toho Univ. School of Medicine (Japan)
Akihiro Osawa, Toho Univ. School of Medicine (Japan)
Toshiyuki Enomoto, Toho Univ. School of Medicine (Japan)
Manabu Watanabe, Toho Univ. School of Medicine (Japan)
Jiro Nagao, Toho Univ. School of Medicine (Japan)
Purkhet Abderyim, Iwate Univ. (Japan)
Seiichiro Nomiya, Raytec Inc. (Japan)
Keitaro Hitomi, Tohoku Institute of Technology (Japan)
Akira Ogawa, Iwate Medical Univ. (Japan)
Shigehiro Sato, Iwate Medical Univ. (Japan)

Published in SPIE Proceedings Vol. 7079:
Hard X-Ray, Gamma-Ray, and Neutron Detector Physics X
Arnold Burger; Larry A. Franks; Ralph B. James, Editor(s)

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