X-ray phase contrast imaging using single absorption coded aperture

被引：5
|
作者：
Krejci, Frantisek [1 ,2 ]
Jakubek, Jan [1 ]
Kroupa, Martin [1 ]
机构：
[1] Czech Tech Univ, Inst Expt & Appl Phys, CZ-12800 Prague 2, Czech Republic
[2] Czech Tech Univ, Fac Biomed Engn, Kladno 27201, Czech Republic
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2011年 / 633卷
关键词：
X-ray imaging; Phase contrast; Coded aperture; Phase retrivial; Medipix; RESOLUTION;
D O I：
10.1016/j.nima.2010.06.161
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A new method for X-ray phase contrast imaging is proposed in which only one absorption grating (acting in fact as a coded aperture) and a table-top nano-focus X-ray source are used. This method is based on very precise determination of position of the projected pattern downstreaming from the aperture with and without the inspected object directly from the image of the pattern. The technique is successfully demonstrated on the table-top setup equipped with Medipix family detectors and a nano-focus X-ray source (source-to-detector distance < 1 m). (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：S181 / S184
页数：4
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