Measurement of the Intensity Distribution of a Hard X-Ray Radiation Source

被引：0
|
作者：
Subbotin, A. N. [1 ]
Pluzyan, K. G. [1 ]
Potapin, V. I. [1 ]
Kalutskii, A. V. [1 ]
Balandin, A. V. [1 ]
Valekzhanina, V. I. [1 ]
Gorodnov, A. A. [1 ]
Ivanov, M. I. [1 ]
Arkhipov, A. Yu. [1 ]
机构：
[1] All Russian Sci Res Inst Expt Phys, Russian Fed Nucl Ctr, Sarov 607188, Russia
来源：
PHYSICS OF ATOMIC NUCLEI | 2019年 / 82卷 / 08期
关键词：
X-ray radiography; radiography; penumbral aperture; X-ray source; point spread function; parametric model of measurements; betatron;
D O I：
10.1134/S1063778819080143
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The procedure of measurement of the brightness distribution of the hard X-ray source of the MIB-7.5 betatron with a penumbral aperture is detailed (i.e., a measurement algorithm and a calculation model are proposed). This measurement method involves reconstructing the brightness distribution of a source based on the radiation distribution in the penumbral region of a large circular collimator. The influence of the penumbral aperture diameter on the signal-to-noise ratio in the distribution of the source brightness is estimated. A parametric model of formation of the source X-ray pattern is presented. This model is based on a priori information on the measurement setting and the brightness distribution of the radiation source.
引用
收藏
页码：1106 / 1112
页数：7
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