New photostimulable phosphor materials for an imaging plate of computed radiography

Hidehito Nanto; Tomoyuki Sato; Toru Shinkawa; Makoto Miyazaki; Atushi Imai; Eiji Kusano; Akira Kinbara; Shouichi Nasu; Yoshiteru Douguchi

doi:10.1117/12.317060

24 July 1998 New photostimulable phosphor materials for an imaging plate of computed radiography

Hidehito Nanto, Tomoyuki Sato, Toru Shinkawa, Makoto Miyazaki, Atushi Imai, Eiji Kusano, Akira Kinbara, Shouichi Nasu, Yoshiteru Douguchi

Author Affiliations +

Proceedings Volume 3336, Medical Imaging 1998: Physics of Medical Imaging; (1998) https://doi.org/10.1117/12.317060
Event: Medical Imaging '98, 1998, San Diego, CA, United States

Abstract

The photostimulated luminescence (PSL) characteristics of alkali halide phosphors, such as KCl:Eu, KBr:Eu and KCl_xBr_1-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 KCl_xBr_1-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.

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Hidehito Nanto, Tomoyuki Sato, Toru Shinkawa, Makoto Miyazaki, Atushi Imai, Eiji Kusano, Akira Kinbara, Shouichi Nasu, and Yoshiteru Douguchi "New photostimulable phosphor materials for an imaging plate of computed radiography", Proc. SPIE 3336, Medical Imaging 1998: Physics of Medical Imaging, (24 July 1998); https://doi.org/10.1117/12.317060

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