Focusing and reflection by a bent crystal for high-energy synchrotron radiation

被引：3
|
作者：
Yamaoka, H [1 ]
Ohtomo, K [1 ]
Ishikawa, T [1 ]
机构：
[1] RIKEN, Inst Phys & Chem Res, Sayo, Hyogo 6795143, Japan
来源：
JOURNAL OF SYNCHROTRON RADIATION | 1998年 / 5卷
关键词：
monochromators; doubly bent; dynamical; kinematical; high-energy synchrotron radiation;
D O I：
10.1107/S0909049597018657
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The focusing properties and resolution of a doubly bent crystal in the Bragg case have been analytically studied from a geometrical viewpoint. Simulation using the Takagi-Taupin equations was also performed for singly bent crystal reflections to study the reflectivity. The critical radius of curvature for changing from dynamical to kinematical diffraction is calculated to be of the order of a few tens of metres for an Si 400 reflection of 110 keV X-rays.
引用
收藏
页码：687 / 689
页数：3
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