In-Line Phase Contrast Imaging Using a Micro-focus X-Ray Source

YU Ai-Min; LI Zheng; ZHANG Di; HUANG Zhi-Feng

Chinese Physics C> 2006, Vol. 30> Issue(11) : 1119-1122

In-Line Phase Contrast Imaging Using a Micro-focus X-Ray Source

Department of Engineering Physics,Tsinghua University,Beijing 100084,China

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Abstract：
In-line Phase Contrast Imaging using a micro-focus X-ray source enables weakly absorbing specimens to be imaged successfully with X-rays and enhances the visibility of fine scale structure in more strongly absorbing specimens greatly. Getting the intensity on the image plane, we can get the phase contrast of an object by phase retrieval method. We got phase contrast of a black ant in different position and obtained the phase retrieval result by Transport of Intensity Equation method. On the base of edge visibility formula and entropy method, we quantitatively compare different edge visibility results of the images in different position and the differences between original phase contrast image and phase retrieval image.

References

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YU Ai-Min, LI Zheng, ZHANG Di and HUANG Zhi-Feng. In-Line Phase Contrast Imaging Using a Micro-focus X-Ray Source[J]. Chinese Physics C, 2006, 30(11): 1119-1122.

YU Ai-Min, LI Zheng, ZHANG Di and HUANG Zhi-Feng. In-Line Phase Contrast Imaging Using a Micro-focus X-Ray Source[J]. Chinese Physics C, 2006, 30(11): 1119-1122. shu

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Received: 2005-12-20
Revised: 2006-05-23

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

In-Line Phase Contrast Imaging Using a Micro-focus X-Ray Source

Corresponding author: HUANG Zhi-Feng,

Department of Engineering Physics,Tsinghua University,Beijing 100084,China

Received Date: 2005-12-20

Accepted Date: 2006-05-23

Available Online: 2006-11-05

Abstract: In-line Phase Contrast Imaging using a micro-focus X-ray source enables weakly absorbing specimens to be imaged successfully with X-rays and enhances the visibility of fine scale structure in more strongly absorbing specimens greatly. Getting the intensity on the image plane, we can get the phase contrast of an object by phase retrieval method. We got phase contrast of a black ant in different position and obtained the phase retrieval result by Transport of Intensity Equation method. On the base of edge visibility formula and entropy method, we quantitatively compare different edge visibility results of the images in different position and the differences between original phase contrast image and phase retrieval image.

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In-Line Phase Contrast Imaging Using a Micro-focus X-Ray Source

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