DEVELOPMENT OF 3-D DETECTOR SYSTEM FOR POSITRON CT

被引：44

作者：

SHIMIZU, K

OHMURA, T

WATANABE, M

UCHIDA, H

YAMASHITA, T

机构：

来源：

IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 1988年 / 35卷 / 01期

关键词：

BIOMEDICAL ENGINEERING - Computerized Tomography - Computer simulation - Electron tubes; Photomultiplier - GAMMA RAYS - Absorption - Scintillation counters;

D O I：

10.1109/23.12818

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A detector composed of a bundle of BGO (bismuth germanate) pillars and positron-sensitive photomultiplier tubes is proposed. This detector has the ability to provide 3-D position information on gamma -ray absorption in the scintillator. It is expected that the use of this detector for positron-emission tomography (PET) will result in high spatial resolution and sensitivity. In particular, uniform and high spatial resolution over the entire field of view can be obtained because of the detector's ability to detect the depth of interaction of the gamma -rays in the scintillator. The fundamental characteristics were investigated by both experiment and simulation, and the results are discussed.

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收藏

页码：717 / 720

页数：4

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