IN-LINE METHOD OF X-RAY PHASE-CONTRAST MICRO-CT USING A WIDE-FOCUS LABORATORY SOURCE

Yu. S. Krivonosov; Кривоносов Ю. С.; A. V. Buzmakov; Бузмаков А. В.; V. E. Asadchikov; Асадчиков В. Е.; A. A. Fyodorova; Федорова А. А.

doi:10.31857/S0023476123020108

IN-LINE METHOD OF X-RAY PHASE-CONTRAST MICRO-CT USING A WIDE-FOCUS LABORATORY SOURCE

Authors: Krivonosov Y.S.¹, Buzmakov A.V.¹, Asadchikov V.E.¹, Fyodorova A.A.²
Affiliations:
1. Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, Moscow, 119333 Russia
2. Moscow Pedagogical State University, Moscow, 119571 Russia
Issue: Vol 68, No 2 (2023)
Pages: 189-195
Section: ДИФРАКЦИЯ И РАССЕЯНИЕ ИОНИЗИРУЮЩИХ ИЗЛУЧЕНИЙ
URL: https://ruspoj.com/0023-4761/article/view/673482
DOI: https://doi.org/10.31857/S0023476123020108
EDN: https://elibrary.ru/BQGLEO
ID: 673482

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Abstract

An experimental implementation of the “in-line” method of X-ray phase contrast using a standard wide-focus X-ray tube as a polychromatic source is described. Using the proposed experimental scheme, in vitro tomographic measurements of a sample of human brain pineal gland are carried out, and the morphological structure of the soft tissues of this organ is visualized based on the results obtained. The advantage of phase-contrast tomography in comparison with traditional absorption tomography for studying the structural features of soft tissues is experimentally demonstrated. The “in-line” phase-contrast scheme, implemented on a laboratory setup, allows tomographic study of samples with linear dimensions of several millimeters and a resolution of ∼20 μm.

Keywords

IN-LINE METHOD OF X-RAY PHASE-CONTRAST MICRO-CT, WIDE-FOCUS X-RAY TUBE

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