Phase-contrast X-ray imaging with a large monolithic X-ray interferometer

被引：27
|
作者：
Takeda, T
Momose, A
Yu, QW
Wu, J
Hirano, K
Itai, Y
机构：
[1] Univ Tsukuba, Inst Clin Med, Dept Radiol, Tsukuba, Ibaraki 3058575, Japan
[2] Hitachi Ltd, Adv Res Lab, Hatoyama, Saitama 3500395, Japan
[3] High Energy Accelerator Res Org, Inst Mat Struct Sci, Tsukuba, Ibaraki 3050801, Japan
来源：
JOURNAL OF SYNCHROTRON RADIATION | 2000年 / 7卷 / 07期
关键词：
phase-contrast X-ray imaging; monolithic X-ray interferometer; diagnostic radiology; cancer;
D O I：
10.1107/S0909049500004295
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
To increase the field of view for large objects in phase-contrast X-ray imaging, a large monolithic X-ray interferometer has been fabricated using an available silicon ingot of diameter 10 cm. A performance study of this interferometer has been carried out using a synchrotron X-ray source. The view size of the interference pattern obtained with this interferometer was 25 mm wide and 15 mm high and its visibility was 79%. Various structures of a sliced human hepatocellular carcinoma were identified as necrosis, hemorrhagic necrosis, normal liver tissue and blood vessel. The performance of this interferometer was sufficient for phase-contrast X-ray imaging.
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页码：280 / 282
页数：3
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