A visibility optimization study for grating-based X-ray Phase Contrast Imaging

被引：0
|
作者：
Kudielka, G. P. [1 ]
Mahdi, K. [1 ]
Sperl, J. I. [1 ]
Beque, D. [1 ]
Cozzini, C. [1 ]
机构：
[1] GE Global Res, Freisinger Landstr 50, D-85748 Garching, Germany
来源：
2012 IEEE NUCLEAR SCIENCE SYMPOSIUM AND MEDICAL IMAGING CONFERENCE RECORD (NSS/MIC) | 2012年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An X-ray phase contrast grating interferometer consists of three gratings in the beam line to generate interference patterns and acquire phase shift information if an object is placed into the beam. These gratings have a pitch of a few micrometers and therefore very accurate alignment is needed to acquire phase information reliably. In this work we have investigated different setup parameters and environmental influences on the detected signal quality by Six Sigma methods. We have used this information to optimize our setup and established a semi-automatic alignment procedure to reproduce a stable signal quality.
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收藏
页码：3679 / 3681
页数：3
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