X-ray fluorescence computed tomography system for biomedical imaging

Toshiyuki Enomoto, Eiichi Sato, Purkhet Abderyim, Hiroshi Matsukiyo, Akihiro Osawa, Manabu Watanabe, Jiro Nagao, Seiichiro Nomiya, Keitro Hitomi, Mitsuru Izumisawa, Akira Ogawa, Shigehiro Sato

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Citations (Scopus)


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.

Original languageEnglish
Title of host publicationPenetrating Radiation Systems and Applications IX
Publication statusPublished - 2008
EventPenetrating Radiation Systems and Applications IX - San Diego, CA, United States
Duration: 2008 Aug 132008 Aug 14

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
ISSN (Print)0277-786X


ConferencePenetrating Radiation Systems and Applications IX
Country/TerritoryUnited States
CitySan Diego, CA


  • CdTe detector
  • Cerium K-rays
  • Iodine XRF
  • Iodine contrast media
  • XRF CT
  • XRF analysis


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