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Backscattering X-ray imaging using a caustic network aperture

delete2025-12-01
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PRE
AI
T
Takayoshi Shimura *
N
Naruki Tsuji
K
Kentaro Kajiwara
H
Heiji Watanabe
DOI:10.35848/1347-4065/ae2408delete
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摘要

摘要

En 中文
我们使用焦散网络光阑(CNA)演示了背散射X射线成像。CNA受几何焦散图样启发,实现了无透镜成像,并可能通过单次曝光实现三维(3D)重建。制造并测试了一个不锈钢CNA,在约8 keV下运行,通过改变CNA图案放大率实现了深度信息的提取。该方法进一步扩展至高能(约100 keV)同步辐射X射线,使用钨CNA在90度散射几何构型下成功重建了测试样本。CNA的大线宽便于制造能够阻挡硬X射线的厚掩模。尽管当前的深度分辨率有限,但结果表明,基于CNA的背散射X射线成像为透射几何构型不切实际的应用(如大型结构无损检测和安全检查)提供了一种紧凑、快速且具有深度分辨能力的检测技术。
Keyword:
X-ray imaging
backscattering X-ray imaging
coded aperture imaging
lensless imaging
image reconstruction
three-dimensional imaging

期刊

J
Japanese Journal of Applied Physics
IF:
1.8
论文数:
561
被引数:
0

机构

J
japan synchrotron radiation research institute
学者数:
85
论文数: 50
被引数: 0
U
University of Osaka
学者数:
4.9K
论文数: 1.5K
被引数: 1
W
waseda university
学者数:
641
论文数: 356
被引数: 0
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