期刊
OPTICS LETTERS
卷 40, 期 14, 页码 3241-3244出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.40.003241
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资金
- Basic Energy Sciences, Office of Science, U.S. Department of Energy (BES)
- French National Research Agency (L' Agence Nationale de la Recherche) [ANR-11-BS10-0005]
- Agence Nationale de la Recherche (ANR) [ANR-11-BS10-0005] Funding Source: Agence Nationale de la Recherche (ANR)
X-ray Bragg diffraction experiments that utilize tightly focused coherent beams produce complicated Bragg diffraction patterns that depend on scattering geometry, characteristics of the sample, and properties of the x-ray focusing optic. Here, we use a Fourier-transform-based method of modeling the 2D intensity distribution of a Bragg peak and apply it to the case of thin films illuminated with a Fresnel zone plate in three different Bragg scattering geometries. The calculations agree well with experimental coherent diffraction patterns, demonstrating that nanodiffraction patterns can be modeled at nonsymmetric Bragg conditions with this approach-a capability critical for advancing nanofocused x-ray diffraction microscopy. (C) 2015 Optical Society of America
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