Improvements in micro-CT method for characterizing X-ray monocapillary optics

被引：2

作者：

Wang, Zhao ^{[1
,2
,3
]}

Pan, Kai ^{[2
,3
]}

Du, Zelin ^{[2
,3
]}

Zhang, Shuang ^{[2
,3
]}

Liu, Zhiguo ^{[2
,3
,4
]}

机构：

[1] China Acad Engn Phys, Inst Appl Elect, Mianyang 621900, Sichuan, Peoples R China

[2] Beijing Normal Univ, Coll Nucl Sci & Technol, Beijing 100875, Peoples R China

[3] Beijing Normal Univ, Dept Phys, Appl Opt Beijing Area Major Lab, Beijing 100875, Peoples R China

[4] Beijing Radiat Ctr, Beijing 100875, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2022年 / 504卷

关键词：

X-ray monocapillary optics; Micro-CT; Sparse sampling; GPU acceleration; Geometric calibration; CONE-BEAM CT; GEOMETRIC CALIBRATION; IMAGE-RECONSTRUCTION; INNER DIAMETER; CONDENSER;

D O I：

10.1016/j.optcom.2021.127474

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Accurate characterization of the inner surface of X-ray monocapillary optics (XMCO) is of great significance in X-ray optics research. Compared with other characterization methods, the micro computed tomography (micro-CT) method has its unique advantages but also has some disadvantages, such as a long scanning time, long image reconstruction time, and inconvenient scanning process. In this paper, sparse sampling was proposed to shorten the scanning time, GPU acceleration technology was used to improve the speed of image reconstruction, and a simple geometric calibration algorithm was proposed to avoid the calibration phantom and simplify the scanning process. These methodologies will popularize the use of the micro-CT method in XMCO characterization.

引用

页数：9

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