Design of coded aperture collimator for high-resolution & high-sensitivity MicroSPECT

被引：0
|
作者：
Jiang, SZ [1 ]
Wu, ZX [1 ]
Ma, TY [1 ]
Jin, YJ [1 ]
机构：
[1] Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China
来源：
2004 IEEE NUCLEAR SCIENCE SYMPOSIUM CONFERENCE RECORD, VOLS 1-7 | 2004年
关键词：
D O I：
暂无
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
Collimator is a crucial factor for MicroSPECT, which determines its spatial resolution, sensitivity, and detection-efficiency. Based on coded aperture theory, a new coded aperture collimator is designed; furthermore, its parameters and Object-to-detector distance are optimized via Monte-Carlo simulation. MicroSPECT with this collimator is designed to achieve sub-millimeter geometric resolution, whose sensitivity will be more than 100 times higher than A-SPECT, and more than 10 times higher than ordinary Multipinhole-SPECT.
引用
收藏
页码：2980 / 2984
页数：5
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