Study of Optical Properties and Structural Features of Object using the X-ray Phase Contrast Method
| Authors | A.Yu. Ovcharenko, О.А. Lebed |
| Affiliations |
Institute of Applied Physics, National Academy of Sciences of Ukraine, 40007 Sumy, Ukraine |
| Е-mail | oartturr@gmail.com |
| Issue | Volume 16, Year 2024, Number 3 |
| Dates | Received 25 April 2024; revised manuscript received 20 June 2024; published online 28 June 2024 |
| Citation | A.Yu. Ovcharenko, О.А. Lebed, J. Nano- Electron. Phys. 16 No 3, 03028 (2024) |
| DOI | https://doi.org/10.21272/jnep.16(3).03028 |
| PACS Number(s) | 42.25.Bs, 42.30.Va |
| Keywords | X-ray contrast imaging, Radiation matter interaction, Non-destructive analysis, X-ray diffraction (19) , Fresnel-Kirchhoff diffraction theory, Internal structure, Thermal expansion. |
| Annotation |
Phase contrast is widely used in all fields for visualization of the internal structure of objects using X-ray radiation. The paper proposes a new approach to modeling a phase-contrast X-ray image by the method of free propagation using the Fresnel-Kirchhoff diffraction theory. A simple calculation model was developed, which makes it possible to determine the value of the change in the intensity of X-rays on three-dimensional models of objects of arbitrary shape with macroscopic dimensions. It also allows you to establish the conditions for observing a contrast image with known characteristics of the detector system and the intensity of the radiation source. The possibility of obtaining clear images of objects with small decrements of refraction of matter, determining their geometric dimensions and thickness was shown. A method of calculating the optical properties of metal alloys in the X-ray range has been developed. The approaches presented in the paper can be useful to developers of compact devices for detecting structural inhomogeneities inside the studied objects by a non-destructive method. |
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List of References |
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