| X光胶片响应曲线的实验标定 |
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| 引用本文： | 赵阳,杨家敏,张继彦,易荣清,张文海,刘劲松,袁孝,崔明启,甘新式.X光胶片响应曲线的实验标定[J].强激光与粒子束,2008,20(3):419-422. |
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| 作者姓名： | 赵阳 杨家敏 张继彦 易荣清 张文海 刘劲松 袁孝 崔明启 甘新式 |
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| 作者单位： | 1. 华中科技大学 光电子科学与工程学院 武汉光电国家实验室， 武汉 430074; 2. 中国工程物理研究院 激光聚变研究中心， 四川 绵阳 621900; 3. 中国科学院 高能物理研究所, 北京 100039 |
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| 基金项目： | 中国物理研究院科研项目
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国家重点实验室基金 |
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| 摘 要： | 介绍了天津ⅢX光胶片在北京同步辐射源3W1B装置上进行绝对响应标定的一种实验方法。实验中采用快门控制曝光时间，标准探测器记录积分光强，从而得到胶片接收到的绝对光强,并用黑密度计扫描胶片得到光学黑密度。数据处理中通过对快门响应的标定和对光源分布不均匀性的处理来减小光强的不确定度。实验得到了胶片在1 keV和1.5 keV两个能点绝对光强与黑密度之间的绝对响应实验数据，并用Henke的理论公式拟合得到绝对响应曲线。
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| 关 键 词： | X光胶片 同步辐射 响应曲线 标定 |
| 文章编号： | 1001-4322(2008)03-0419-04 |
| 收稿时间： | 2007/9/20 |
| 修稿时间： | 2007年9月20日 |
Calibration of response curves for X-ray film |
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| ZHAO Yang,YANG Jia-min,ZHANG Ji-yan,YI Rong-qing,ZHANG Wen-hai,LIU Jin-song,YUAN Xiao,CUI Ming-qi,GAN Xin-shi.Calibration of response curves for X-ray film[J].High Power Laser and Particle Beams,2008,20(3):419-422. |
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| Authors: | ZHAO Yang YANG Jia-min ZHANG Ji-yan YI Rong-qing ZHANG Wen-hai LIU Jin-song YUAN Xiao CUI Ming-qi GAN Xin-shi |
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| Institution: | 1. Wuhan National Laboratory for Optoelectronics，Institute of Optoelectronics Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China; 2. Research Center of Laser Fusion, CAEP, P. O. Box 919-986, Mianyang 621900, China； 3. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039, China |
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| Abstract: | A calibration method of absolute response for TianjinⅢ X-ray film on Beijing Synchrotron Radiation Facility was introduced. In experiment,a shutter and standard detector were used to control the exposure time and integrated light intensity, hence the absolute light intensity recorded by the film could be obtained, and optical density was obtained by scanning the film with densitometer. In data processing, the shutter response was calibrated and the non-homogeneous source distribution was studied, which could reduce the uncertainty of light intensity. The experimental data of the absolute response between absolute light intensity and the optical density at photo energy of 1keV and 1.5keV were obtained respectively, the experimental results were fitted with Henke’s theoretic formula to obt |
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| Keywords: | Synchrotron radiation Response curve Calibration |
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