期刊
OPTICS LETTERS
卷 38, 期 2, 页码 157-159出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.38.000157
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资金
- Japan Science and Technology Agency
- Global COE Program, Center of Excellence for Atomically Controlled Fabrication Technology from the Japanese Ministry of Education, Culture, Sports, Science and Technology
We demonstrate hard x-ray phase contrast imaging (XPCI) using a tabletop Talbot-Lau interferometer in which the x-ray source and source grating are replaced with an x-ray source with multiline metal targets embedded in a diamond substrate. This source realizes an array of linear x-ray sources of a few micrometers width without fabrication difficulty because of the shallow penetration depth of electrons irradiated to the metal targets. This enhances the coherence of x rays from each linear source and allows XPCI within 45 cm source-detector distance under 1.2 W input power for 8 keV x rays. (C) 2013 Optical Society of America
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