期刊
OPTICS EXPRESS
卷 23, 期 13, 页码 16582-16588出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.23.016582
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资金
- Nanotechnology Platform Project (Nanotechnology Open Facilities in Osaka University) of the Ministry of Education, Culture, Sports, Science and Technology, Japan [F-14-OS-0003]
- Japan Science and Technology Agency
- Grants-in-Aid for Scientific Research [15J00584] Funding Source: KAKEN
Using multidot metal targets embedded in a diamond substrate, we created a single-grating Talbot-Lau interferometer and used it to capture two dimensional (2D) x-ray phase images. The ensemble of these targets constitutes a tiny virtual array of x-ray source and enables x-ray phase-contrast imaging with no source or absorption grating within a 1 m source-detector distance for 8 keV x-rays. We directly resolved a dot-pattern self-image of the phase grating with 6 mu m pitch by using an x-ray image detector with 24 mu m pixels and obtained 2D differential-phase and dark-field images from a single-exposure. Using the 2D differential-phase images, we also obtained a phase image with no streak artifacts. (C) 2015 Optical Society of America
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