| 透射光栅的实验标定和衍射效率的理论模拟 |
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| 引用本文： | 尚万里,朱托,熊刚,赵阳,张文海,易荣清,况龙钰,曹磊峰,高宇林,杨家敏,赵屹东,崔明启,郑雷,韩勇,周克瑾,马陈燕.透射光栅的实验标定和衍射效率的理论模拟[J].物理学报,2011,60(3):34216-034216. |
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| 作者姓名： | 尚万里 朱托 熊刚 赵阳 张文海 易荣清 况龙钰 曹磊峰 高宇林 杨家敏 赵屹东 崔明启 郑雷 韩勇 周克瑾 马陈燕 |
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| 作者单位： | (1)中国工程物理研究院激光聚变研究中心,绵阳 621900; (2)中国科学院高能物理研究所,北京 100049 |
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| 基金项目： | 国家高技术研究发展计划资助的课题. |
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| 摘 要： | 透射光栅广泛应用于软X射线能谱测量.为了获得用于惯性约束聚变研究的透射光栅的各级衍射效率及其他参数,在北京同步辐射源上200—1600 eV能量范围内对其进行了标定,获得了透射光栅衍射效率的实验结果.扩展了透射光栅衍射效率的计算方法,提出了7边准梯形截面衍射效率计算模型.分析拟合了实验数据,理论结果与实验结果很好符合.得到了7边准梯形的透射光栅栅线截面结构.
关键词：
透射光栅
衍射效率
实验标定
光栅模型
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| 关 键 词： | 透射光栅 衍射效率 实验标定 光栅模型 |
| 收稿时间： | 4/8/2010 12:00:00 AM |
| 修稿时间： | 5/1/2010 12:00:00 AM |
Experimental calibration of transmission grating and theoretical calculation of diffraction efficiency |
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| Shang Wan-Li,Zhu Tuo,Xiong Gang,Zhao Yang,Zhang Wen-Hai,Yi Rong-Qing,Kuang Long-Yu,Cao Lei-Feng,Gao Yu-Lin,Yang Jia-Min,Zhao Yi-Dong,Cui Ming-Qi,Zheng Lei,Han Yong,Zhou Ke-Jin,Ma Chen-Yan.Experimental calibration of transmission grating and theoretical calculation of diffraction efficiency[J].Acta Physica Sinica,2011,60(3):34216-034216. |
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| Authors: | Shang Wan-Li Zhu Tuo Xiong Gang Zhao Yang Zhang Wen-Hai Yi Rong-Qing Kuang Long-Yu Cao Lei-Feng Gao Yu-Lin Yang Jia-Min Zhao Yi-Dong Cui Ming-Qi Zheng Lei Han Yong Zhou Ke-Jin Ma Chen-Yan |
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| Institution: | Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China;Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China;Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China;Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China;Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China;Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China;Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China;Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China;Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China;Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China;Institute of High Physics, Chinese Academy of Sciences, Beijing 100049, China;Institute of High Physics, Chinese Academy of Sciences, Beijing 100049, China;Institute of High Physics, Chinese Academy of Sciences, Beijing 100049, China;Institute of High Physics, Chinese Academy of Sciences, Beijing 100049, China;Institute of High Physics, Chinese Academy of Sciences, Beijing 100049, China;Institute of High Physics, Chinese Academy of Sciences, Beijing 100049, China |
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| Abstract: | Transmission grating is widely used in measurement of soft X rays. In order to measure the diffraction efficiencies of the transmission grating which is used in laser fusion, the transmission grating was calibrated on Beijing Synchrotron Radiation Facility in the energy region from 200eV to 1600eV, and the experimental results have been obtained. The model for grating efficiency simulation has been developed and calculations using a new so called 7-side quasi-trapezoidal cross section model were carried out. The results from the new model are in good agreement with the experimental data. The exact grating wire cross section is described. |
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| Keywords: | transmission grating diffraction efficiency experimental calibration grating model |
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