| 双晶单色器弧矢聚焦晶体面形有限元分析 |
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| 引用本文： | 温利,周仁魁,夏绍建,傅翾,罗长洲.双晶单色器弧矢聚焦晶体面形有限元分析[J].光学技术,2003,29(3):313-315. |
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| 作者姓名： | 温利 周仁魁 夏绍建 傅翾 罗长洲 |
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| 作者单位： | 1. 中国科学院西安光学精密机械研究所,西安,710068
2. 国家上海同步辐射中心,上海,201800 |
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| 摘 要： | 简要介绍了弧矢聚焦双晶单色器的基本原理、聚焦晶体的压弯以及鞍形形变的抑制,提出了柔性铰链弧矢聚焦晶体压弯机构,对弧矢聚焦晶体衍射面的子午形变和弧矢弯曲面形进行了有限元分析;用光学追踪程序SHADOW得出了弧矢聚焦晶体衍射面面形对单色器的光通量和分辨率的影响。
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| 关 键 词： | 单色器 弧矢聚焦 有限元分析 鞍形形变 柔性铰链 |
| 文章编号： | 1002-1582(2003)03-0313-03 |
| 修稿时间： | 2002年5月13日 |
Finite element analysis of diffracting surface of sagittally focusing crystal in double-crystal monochromator |
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| Abstract: | The working principle of sagittally focusing double crystal monochromator and the scheme of bending crystal based on flexible hinges are presented. The restraint of anticlastic deformation and the Finite Element Analysis of the meridian deformation and sagittally focusing slope error of the diffracting surface are developed in detail. The relationship between the flux, resolution and the surface shape of the sagittally focusing crystal are traced by SHADOW program. |
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| Keywords: | monochromator sagittally focusing anticlastic deformation finite element analysis flexible hinge |
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