Design of Real-time Neutron Radiography at China Advanced Research Reactor

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• 作者：Linfeng He ; Songbai Han ; ^{hansb@ciae.ac.cn} ; Hongli Wang ; Lijie Hao ; Meimei Wu ; Guohai Wei ; Yu Wang ; Yuntao Liu ; Kai Sun ; Dongfeng Chen
• 关键词：Real time ; Neutron radiography ; SCMOS
• 刊名：Physics Procedia
• 出版年：2013
• 出版时间：2013
• 年：2013
• 卷：43
• 期：Complete
• 页码：48-53
• 全文大小：424 K

文摘

A real-time detector system for neutron radiography based on CMOS camera has been designed for the thermal neutron imaging facility under construction at China Advanced Research Reactor (CARR). This system is equipped with a new scientific CMOS camera with 5.5 million pixels and speed up to 100 fps at full frame. The readout noise is below 2.4 e/pixel. It is capable of providing images with much higher resolution and sensitivity at high frame rate. With optimized optical design and custom-built lens, the capture of quantitative information may be greatly enhanced. The maximum photon received by detector is calculated to be 2.1 ¡Á 10³/pixel, while the camera resolution is 0.2 mm at 30 fps according to the expected flux (5 ¡Á 10⁷ n/cm²/s) at the sample position.