Two-dimensional x-ray sensor utilizing photostimulated luminescence in europium-doped potassium chloride single crystals

Hidehito Nanto; Kazuhiko Murayama; Takayuki Usuda; Shin-ichi Taniguchi; Nozomu Takeuchi

doi:10.1117/12.140476

3 February 1993 Two-dimensional x-ray sensor utilizing photostimulated luminescence in europium-doped potassium chloride single crystals

Hidehito Nanto, Kazuhiko Murayama, Takayuki Usuda, Shin-ichi Taniguchi, Nozomu Takeuchi

Author Affiliations +

Proceedings Volume 1736, X-Ray Detector Physics and Applications; (1993) https://doi.org/10.1117/12.140476
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

Intense photostimulated luminescence (PSL) is observed, for the first time, in x-ray irradiated europium-doped potassium chloride (KCL:Eu) single crystals. The intensity of PSL with a peak at about 420 nm, which is emitted by stimulation with 560 nm light, is proportional to the optical density of the F centers, which are created by x-ray irradiation, over the wide range of the x-ray absorbed dose. This suggests that KCl:Eu is one of the most attractive candidates for a two-dimensional x-ray imaging sensor utilizing the PSL phenomenon.

Citation Download Citation

Hidehito Nanto, Kazuhiko Murayama, Takayuki Usuda, Shin-ichi Taniguchi, and Nozomu Takeuchi "Two-dimensional x-ray sensor utilizing photostimulated luminescence in europium-doped potassium chloride single crystals", Proc. SPIE 1736, X-Ray Detector Physics and Applications, (3 February 1993); https://doi.org/10.1117/12.140476

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