Absolute X-ray energy calibration and monitoring using a diffraction-based method

被引:0
|
作者
Hong, Xinguo [1 ]
Duffy, Thomas S. [2 ]
Ehm, Lars [1 ,3 ]
Weidner, Donald J. [1 ]
机构
[1] SUNY Stony Brook, Inst Mineral Phys, Stony Brook, NY 11794 USA
[2] Princeton Univ, Dept Geosci, Princeton, NJ 08544 USA
[3] Brookhaven Natl Lab, Natl Synchrotron Light Source 2, Upton, NY 11973 USA
关键词
X-Ray energy calibration; X-Ray energy monitoring; X-Ray diffraction;
D O I
10.1063/1.4952932
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
In this paper, we report some recent developments of the diffraction-based absolute X-ray energy calibration method. In this calibration method, high spatial resolution of the measured detector offset is essential. To this end, a remotely controlled long-translation motorized stage was employed instead of the less convenient gauge blocks. It is found that the precision of absolute X-ray energy calibration (Delta E/E) is readily achieved down to the level of 10(-4) for high -energy monochromatic X-rays (e.g. 80 keV). Examples of applications to pair distribution function (PDF) measurements and energy monitoring for high-energy X-rays are presented.
引用
收藏
页数:4
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