Hussey Daniel S, LaManna Jacob M, Baltic Elias, Jacobson David L
Physical Measurement Laboratory, National Institute of Standards and Technology, 100 Bureau Dr., MS 8461, Gaithersburg, MD 20899, USA.
Nucl Instrum Methods Phys Res A. 2017 Sep;866. doi: 10.1016/j.nima.2017.05.035.
We report on efforts to improve the achievable spatial resolution in neutron imaging by centroiding the scintillation light from gadolinium oxysulfide scintillators. The current state-of-the-art neutron imaging spatial resolution is about 10 μm, and many applications of neutron imaging would benefit from at least an order of magnitude improvement in the spatial resolution. The detector scheme that we have developed magnifies the scintillation light from a gadolinium oxysulfide scintillator, calculates the center of mass of the scintillation event, resulting in an event-based imaging detector with spatial resolution of about 2 μm.
我们报告了通过对氧硫化钆闪烁体的闪烁光进行质心定位来提高中子成像中可实现的空间分辨率的相关工作。目前最先进的中子成像空间分辨率约为10μm，而中子成像的许多应用将受益于空间分辨率至少提高一个数量级。我们开发的探测器方案放大了来自氧硫化钆闪烁体的闪烁光，计算闪烁事件的质心，从而得到一种空间分辨率约为2μm的基于事件的成像探测器。
