| X射线单色四重聚焦照相机单色器的衍射几何 |
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| 引用本文： | 郭常霖.X射线单色四重聚焦照相机单色器的衍射几何[J].物理学报,1980,29(9):1217-1221. |
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| 作者姓名： | 郭常霖 |
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| 作者单位： | 中国科学院上海硅酸盐研究所 |
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| 摘 要： | 本文详细分析了不对称Johann型单色器和不对称对数螺线型单色器的衍射几何。给出了计算X射线源焦点到单色器距离L1、射线源及聚焦线交叉区散焦宽度b1,b2的表达式。根据理论分析的结果,在试制聚焦相机时采用了近似不对称Johann型的可调弯曲石英单色器。
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| 收稿时间： | 1979-12-30 |
DIFFRACTION GEOMETRY OF MONOCHROMATIC X RAY QUADRUPLE FOCUSING CAMERA |
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| GUO CHANG-LIN.DIFFRACTION GEOMETRY OF MONOCHROMATIC X RAY QUADRUPLE FOCUSING CAMERA[J].Acta Physica Sinica,1980,29(9):1217-1221. |
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| Authors: | GUO CHANG-LIN |
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| Abstract: | The diffraction geometries of asymmetric Johann crystal monochromator and asymmetric logarithmic-spiral crystal monochromator are analysed in detail. The formulas for calculating the distance L1 between focus of X-ray source and monochromator, the dispersion width b1, b2 of cross section of source and focusing line are given. According to the result of theoretical analysis, the adjustable elastically bent quartz crystal monochromator which is the approximate asymmetric Johann type is used in the construction of X-ray focusing camera. |
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