Monte Carlo simulation for the hybrid detector design

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

doi:10.1117/12.653040

2 March 2006 Monte Carlo simulation for the hybrid detector design

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

Author Affiliations +

Proceedings Volume 6142, Medical Imaging 2006: Physics of Medical Imaging; 614257 (2006) https://doi.org/10.1117/12.653040
Event: Medical Imaging, 2006, San Diego, California, United States

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.

Citation Download Citation

So Yeong Kim, Ji Koon Park, Sang Sik Kang, Byung Youl Cha, Sung Ho Cho, Eun Seon Jeong, Sang Hee Nam, Hyung Won Lee, and Heung Kook Choi "Monte Carlo simulation for the hybrid detector design", Proc. SPIE 6142, Medical Imaging 2006: Physics of Medical Imaging, 614257 (2 March 2006); https://doi.org/10.1117/12.653040

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