Quantitative in-line phase-contrast imaging with multienergy x rays

被引：113

作者：

Gureyev, TE ^{[1
]}

Mayo, S ^{[1
]}

Wilkins, SW ^{[1
]}

Paganin, D ^{[1
]}

Stevenson, AW ^{[1
]}

机构：

[1] CSIRO, Clayton S, Vic, Australia

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 86卷 / 25期

关键词：

D O I：

10.1103/PhysRevLett.86.5827

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present a new method for quantitative nondestructive characterization of objects by x-ray phase-contrast imaging. Spatial distributions of the projected values of the complex refractive index in the sample are reconstructed by processing near-field images collected at a fixed sample-to-detector distance using a polychromatic incident beam and an energy-sensitive area detector, such as a CCD used in the photon-counting spectroscopy mode. The method has the potential advantages of decreased radiation dose and increased accuracy compared to conventional techniques of x-ray imaging.

引用

页码：5827 / 5830

页数：4

共 20 条

[1]

ARNDT UW, 1966, SINGLE CRYSTAL DIFFR, P185

[2] AN X-RAY INTERFEROMETER [J].