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PEDRO: A Hybrid Small Animal Imaging System

机译:佩德罗:混合小动物成像系统

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The Pixelated Emission Detector for RadiOisotopes (PEDRO) is a hybrid emission imaging system designed for the measurement of single photon emission from small animals. The PEDRO is based on the combination of mechanical and electronic collimation (through the Compton effect). It utilizes a Compton-camera stack geometry situated behind an aperture array to modulate the incident radiation. The geometry is intended to maximize detection efficiency over a wide range of photon energies whilst maintaining the enhanced resolution of Single Photon Emission Imaging (SPEI). Geant4 simulations have been performed to allow validation of the model with experimental and theoretical data. This paper presents a preliminary validation of the simulation and an investigation into the effects of detector spacing for a multi-plane detector geometry.
机译:用于放射性同位素(PEDRO)的像素化发射检测器是混合发射成像系统,用于测量小动物的单光子发射。佩德罗基于机械和电子准直(通过康普顿效应)的组合。它利用位于孔径阵列后面的康普顿相机堆叠几何形状,以调制入射辐射。几何形状旨在在宽范围的光子能量上最大化检测效率,同时保持单光子发射成像(SPEI)的增强分辨率。已经进行了Geant4模拟,以允许使用实验和理论数据验证模型。本文介绍了模拟的初步验证和对多平面检测器几何的探测器间距影响的调查。

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