X-ray crystal optics based on the Bragg-Fresnel scattering

被引：3
|
作者：
Chukhovskii, FN
Chang, WZ
Forster, E
机构：
[1] Research Unit X-Ray Optics, Max-Planck-Gesellschaft, Friedrich Schiller University
来源：
OPTICS COMMUNICATIONS | 1996年 / 124卷 / 1-2期
关键词：
D O I：
10.1016/0030-4018(95)00650-8
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The Bragg and Fresnel scattering is realized by single crystals with elliptically-modulated surfaces that serve as point-to-point focusing lenses for X rays. Analytical expressions for the focus characteristics, namely: the ratio of peak intensity to background, focusing efficiency, and the focus width are derived. It is shown that the peak intensity is proportional to the square of the total number of zones, while the focusing efficiency remains constant depending only on the Bragg scattering angle.
引用
收藏
页码：23 / 26
页数：4
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