Experimental Study of the Method of X-ray Phase-Contrast Microscopy Using a Nanofocusing Lens at KISI-Kurchatov Synchrotron Source

IF 0.6 4区 材料科学 Q4 CRYSTALLOGRAPHY
M. S. Folomeshkin, V. G. Kohn, A. Yu. Seregin, Yu. A. Volkovsky, P. A. Prosekov, V. A. Yunkin, A. A. Snigirev, Yu. V. Pisarevsky, A. E. Blagov, M. V. Kovalchuk
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Abstract

The results of the experimental study at the KISI-Kurchatov synchrotron source of the new phase-contrast imaging scheme for micro-objects using a nanofocusing compound refractive lens are presented. Visualization with submicron spatial resolution of a Fresnel zone plate with the width of the outer zones less than 0.5 µm is demonstrated. It is found that in the performed experiments the main contribution to the instrumental function, which limits the spatial resolution, is due to the vibrations of the optical scheme elements. The possibility of using the proposed scheme for estimating the beam transverse size at the focus of the compound refractive lens, with allowance for the instrumental function, is demonstrated.

Abstract Image

ksi -库尔恰托夫同步加速器源纳米聚焦透镜x射线相衬显微镜方法的实验研究
本文介绍了在ksi - kurchatov同步加速器上采用纳米聚焦复合折射透镜对微物体进行相对比成像的实验研究结果。展示了外区宽度小于0.5µm的菲涅耳带板的亚微米空间分辨率的可视化。在实验中发现,仪器功能的主要贡献,这限制了空间分辨率,是由于光学方案元件的振动。在考虑仪器功能的情况下,证明了利用所提出的方案估计复合折射透镜焦点处光束横向尺寸的可能性。
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来源期刊
Crystallography Reports
Crystallography Reports 化学-晶体学
CiteScore
1.10
自引率
28.60%
发文量
96
审稿时长
4-8 weeks
期刊介绍: Crystallography Reports is a journal that publishes original articles short communications, and reviews on various aspects of crystallography: diffraction and scattering of X-rays, electrons, and neutrons, determination of crystal structure of inorganic and organic substances, including proteins and other biological substances; UV-VIS and IR spectroscopy; growth, imperfect structure and physical properties of crystals; thin films, liquid crystals, nanomaterials, partially disordered systems, and the methods of studies.
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