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Proceedings Paper

New photostimulable phosphor materials for an imaging plate of computed radiography
Author(s): Hidehito Nanto; Tomoyuki Sato; Toru Shinkawa; Makoto Miyazaki; Atushi Imai; Eiji Kusano; Akira Kinbara; Shouichi Nasu; Yoshiteru Douguchi
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Paper Abstract

The photostimulated luminescence (PSL) characteristics of alkali halide phosphors, such as KCl:Eu, KBr:Eu and KClxBr1-x:Eu phosphors, as new storage photostimulable phosphor materials for the imaging plate in computer radiography are investigated. Intense 420 nm PSL is observed in X-ray-irradiated KClxBr1-x:Eu phosphor. The PSL intensity increases linearly with increasing X-ray irradiation dose over the wide range, showing a good storage material for the imaging plate in computed radiography. The KBr:Eu phosphor exhibits excellent fading characteristics, which showing that the KBr:Eu phosphor is useful as a material for medical imaging utilizing PSL phenomenon. The mechanism of the fading is also discussed.

Paper Details

Date Published: 24 July 1998
PDF: 8 pages
Proc. SPIE 3336, Medical Imaging 1998: Physics of Medical Imaging, (24 July 1998); doi: 10.1117/12.317060
Show Author Affiliations
Hidehito Nanto, Kanazawa Institute of Technology (Japan)
Tomoyuki Sato, Kanazawa Institute of Technology (Japan)
Toru Shinkawa, Kanazawa Institute of Technology (Japan)
Makoto Miyazaki, Kanazawa Institute of Technology (Japan)
Atushi Imai, Kanazawa Institute of Technology (Japan)
Eiji Kusano, Kanazawa Institute of Technology (Japan)
Akira Kinbara, Kanazawa Institute of Technology (Japan)
Shouichi Nasu, Kanazawa Institute of Technology (Japan)
Yoshiteru Douguchi, Industrial Research Institute of Ishikawa (Japan)


Published in SPIE Proceedings Vol. 3336:
Medical Imaging 1998: Physics of Medical Imaging
James T. Dobbins; John M. Boone, Editor(s)

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