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Design principles of a novel X-ray imaging system

作者姓名：	喻春雨常本康王世允王庆宝

作者单位：	Department of Electronic Engineering and Optical Electronics Nanjing University of Science and Technology，Nanjing 210094，Department of Electronic Engineering and Optical Electronics Nanjing University of Science and Technology，Nanjing 210094，Department of Electronic Engineering and Optical Electronics Nanjing University of Science and Technology，Nanjing 210094，Department of Electronic Engineering and Optical Electronics Nanjing University of Science and Technology，Nanjing 210094

基金项目：	This work was supported by the Nanjing Science and Technology Bureau Program (No. 200308005).

摘要：	A novel X-ray imaging system (NXRIS) and the design principles are given in this paper. Different from the existing digital X-ray imaging systems, the X-ray image intensifying system of NXRIS is a non-vacuum system composed of the intensifying screen and the brightness intensifier, and the brightness intensifier is named low light level image intensifier applied in military affairs. This structure makes NXRIS of big visual field (15 inch, even to larger) and low cost. When designing NXRIS, the spectral compatibility of the component devices and the relation between the visual field and the spatial resolution of the component devices are analyzed. The images produced by NXRIS are given and the image performance is good enough to be applied to security checking, non-destructive testing, and industry detection.
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