Nuclear Medicine


Optical Simulation of a DOI Detector with Stack of Planer Scintillator

Akane Gondo(graduate)

Depth of interaction (DOI) detector is essential to achieve both high resolution and high sensitivity. Previously, our group proposed four layer DOI detector which was composed with small segmented crystals and inserted reflectors. To reduce assembling steps, we propose new detector which is inserted laser processed boundaries (LPBs) into a monolithic crystal instead of gluing small crystal segments. The four layer DOI detector shows high discrimination accuracy at center of detector. On the other hand, it is difficult to discriminate clusters of detector edge when Anger logic is used for position estimation. We propose cluster discrimination method using SVC.




  1. 権藤朱音,品地哲弥,平野祥行,吉田英治,錦戸文彦,稲玉直子,田島英朗,山谷泰賀,羽石秀昭:モノリシック板を積層した新型DOI検出器の光学シミュレーション:結晶表面粗さの影響,O-108,第105回日本医学物理学会学術大会,Vol.33,Supplement No.1(April 2013),p146,パシフィコ横浜(2013.4.11-14)

  2. 権藤朱音,品地哲弥,平野祥之,山谷泰賀,羽石秀昭: モノリシック板積層型PET用DOI検出器の光学シミュレーション, 第32回 日本医用画像工学会大会,PP2-11, 日本科学未来館/産業技術総合研究所臨海副都心センター (2013.8.1-3)

  3. Gondo, T. Shinaji, Y. Hirano, E. Yoshida, F. Nishikido, N. Inadama, H. Tashima, T. Yamaya, H. Haneishi: Optical Simulation of a DOI Detector with Stack of Planer Scintillators, IEEE Medical Imaging Conference, M11-17, Seoul, Korea (2013.10.30-11.02)