基于闪烁体编码器的X射线多能谱成像技术

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关键词：闪烁体编码器；X射线多能谱成像；叠层闪烁体；侧入射探测器；算法分析 中图分类号：TL816.1 文献标识码：A DOI：10.37188/CJL.20250060 CSTR：32170.14.CJL.20250060

Multi-energy X-ray Imaging Based on Scintillator Encoders

LIU Jiacheng1，2，， YANG Yang1，2*

（1.CollegeofOptical Scienceand Engineering，Zhejiang University，Hangzhou31oooo，China;

2.StateKeyLaboratoryofExtremePhotonicsandInstrumentation，Hangzhou31Oooo，China） *CorrespondingAuthor，E-mail：yangyangl5@zju.edu.cn

Abstract：X-rayimaging technologyservesasacore tolin medicaldiagnosisand industrial non-destructive testing， where imaging quality directly impacts diagnostic accuracyand detection precision.However，traditional X-rayimaging technologyislmitedbyitsnerg-integratingdetectionmode，resultingininsuicientimagingcontrastincomplexsearios.Toovercome this technical botleneck，multispectral X-rayimaging technologyhas emerged.Thispaper focuseson multi-energyX-rayimaging technologybasedonsintilator encoders，detailingmultispectraldetectors utilizing stacked scintillatorencodingandside-incidentdepthinformationextraction.Bythoroughlyanalyzingkeytechnicalaspectssuchas material selectionand preparation，devicestructuredesign，andalgorithmicanalysis，theprinciples，characteristics，and research progressof this technology arecomprehensively explored.The papersummarizes existing achievements and currentchallenges，whilealsoproviding insightsinto future developmenttrends，aiming tooffertheoretical guidanceand practicalreferences for further research and engineeringapplications of multispectral X-ray imaging technology.

KeyWords：scintilator encoder；multispectral X-rayimaging；stackedscintilator；side incidence detector；algorithm analysis

1引言

X射线成像技术广泛应用于医疗诊断、工业检测、材料科学等领域，对社会发展起到了重要推动作用。（剩余19031字）