2017; Physical and Mathematical Sciences, 51(1 (242): 101–104
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PHASE-CONTRAST IMAGING BASED ON THREE-BLOCK FRESNEL ZONE PLATE INTERFEROMETERS USING HARD X-RAY LABORATORY SOURCES

Levon Haroutunyan*

Received: 2025-02-06 · Published: 2017-03-20

© 2017 The Author(s) and the original publisher.

CC BY-NC 4.0 This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
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Original title
PHASE-CONTRAST IMAGING BASED ON THREE-BLOCK FRESNEL ZONE PLATE INTERFEROMETERS USING HARD X-RAY LABORATORY SOURCES
Author
Levon Haroutunyan
Published
2017-03-20
Licence
Creative Commons Attribution-NonCommercial 4.0 International
Original
https://doi.org/10.46991/PYSU:A/2017.51.1.101

Abstract

The earlier represented three-block Fresnel Zone Plate interferometer based hard X-ray phase-contrast imaging setup designed for the initial plane wave radiation has been adapted to the laboratory sources of radiation. The limited distance between the source and the interferometer as well as the finite size of the source and the limited degree of monochromaticity of the illumination have been taken into account. It was shown that the decrease of the spatial coherency of the initial radiation does not worsen, and even improves the quality of the phase-contrast imaging, by suppressing the distortions caused by the X-ray diffraction at the edges of the Fresnel zone plates and the knifes of the interferometer.
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