An estimation method of the spatial resolution for magnifying fast neutron radiography

被引：3
|
作者：
Li, J. J. [1 ]
Dong, Y. S. [1 ]
Yu, B. [1 ]
Chen, Z. J. [1 ]
Zheng, J. H. [1 ]
Yao, L. [1 ]
Yang, J. M. [1 ]
机构：
[1] China Acad Engn Phys, Laser Fus Ctr, Mianyang 621900, Sichuan, Peoples R China
来源：
AIP ADVANCES | 2022年 / 12卷 / 05期
关键词：
IMAGING-SYSTEM; TOMOGRAPHY;
D O I：
10.1063/5.0088796
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Fast neutron radiography (FNR) using divergent neutron beams has the characteristic to magnify small cracks in low-Z materials. For such magnifying FNR systems, a simple method was developed using Monte Carlo simulations to estimate the spatial resolution. The resolution degrading factors, including neutron source size, object thickness, and crosstalk in the detector, have been investigated in this method. The calculated results of this method compare favorably to independent estimations of various designs for the same FNR system. For a magnifying FNR system, a better spatial resolution can be expected with larger magnifications and smaller sources. (C) 2022 Author(s).
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页数：7
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