| X射线管焦点尺寸测量方法研究 |
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| 引用本文： | 张催,潘小东,商宏杰,蒲永凡,李公平. X射线管焦点尺寸测量方法研究[J]. 原子能科学技术, 2018, 52(2): 353-358. DOI: 10.7538/yzk.2017.youxian.0227 |
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| 作者姓名： | 张催 潘小东 商宏杰 蒲永凡 李公平 |
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| 作者单位： | 1.兰州大学 核科学与技术学院，甘肃 兰州730000；2.兰州大学 特殊功能材料与结构设计教育部重点实验室，甘肃 兰州730000 |
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| 摘 要： | 本文提出了一种焦点尺寸测量方法--锥孔法，其仅需借助射线管上的铅制锥孔，使用平板探测器采集光场图像，然后利用光场边缘射线强度分布可计算得到焦点尺寸。该方法的操作和测试条件简单，实验结果表明，该方法能方便快捷地测量焦点尺寸。
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| 关 键 词： | 焦点尺寸 展宽效应 锥孔法 X射线管 |
Study on Innovative Method for Measuring Focal Spot Size of X-ray Tube |
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| ZHANG Cui,PAN Xiaodong,SHANG Hongjie,PU Yongfan,LI Gongping. Study on Innovative Method for Measuring Focal Spot Size of X-ray Tube[J]. Atomic Energy Science and Technology, 2018, 52(2): 353-358. DOI: 10.7538/yzk.2017.youxian.0227 |
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| Authors: | ZHANG Cui PAN Xiaodong SHANG Hongjie PU Yongfan LI Gongping |
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| Affiliation: | 1.School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China; 2.Key Laboratory of Special Function Materials and Structure Design, Ministry of Education, Lanzhou University, Lanzhou 730000, China |
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| Abstract: | In this paper, an innovative method for the measurement of focal spot size was proposed, called the cone-hole method, which records the X-ray intensity distribution at the edge of light field by using flat panel detector, with the help of the cone-hole. And then the focal spot size can be calculated. The operation and the measurement condition of this method are simple, and the experimental results show that the proposed method can measure the focal spot size efficiently. |
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| Keywords: | focal spot size broadening effect cone-hole method X-ray tube |
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