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Proceedings Paper

Monte Carlo simulation for the hybrid detector design
Author(s): So Yeong Kim; Ji Koon Park; Sang Sik Kang; Byung Youl Cha; Sung Ho Cho; Eun Seon Jeong; Sang Hee Nam; Hyung Won Lee; Heung Kook Choi
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Paper Abstract

We designed hybrid x-ray detector and simulated using Monte Carlo method. Hybrid x-ray detectors consist of scintillator coupled photoconductor structure. In the hybrid structure, x-ray photons are converted into the light photon in the scintillator layer and light photons are converted into the electric charge in the semiconductor layer. The electric charges can be generated from directly x-ray absorption in the semiconductor material. We design the columnar CsI:Na as scintillator layer and a-Se as photoconductor material. When x-ray photon incident the scintillator layer, the photons are distributed through the scintillator, and then generated light photon influence the semiconductor material. We study the light photon distribution according to the scintillator layer thickness and the detector pixel size which have influence on image resolution.

Paper Details

Date Published: 2 March 2006
PDF: 6 pages
Proc. SPIE 6142, Medical Imaging 2006: Physics of Medical Imaging, 614257 (2 March 2006); doi: 10.1117/12.653040
Show Author Affiliations
So Yeong Kim, Inje Univ. (South Korea)
Ji Koon Park, Inje Univ. (South Korea)
Sang Sik Kang, Inje Univ. (South Korea)
Byung Youl Cha, Inje Univ. (South Korea)
Sung Ho Cho, Inje Univ. (South Korea)
Eun Seon Jeong, Inje Univ. (South Korea)
Sang Hee Nam, Inje Univ. (South Korea)
Hyung Won Lee, Inje Univ. (South Korea)
Heung Kook Choi, Inje Univ. (South Korea)

Published in SPIE Proceedings Vol. 6142:
Medical Imaging 2006: Physics of Medical Imaging
Michael J. Flynn; Jiang Hsieh, Editor(s)

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