Email this article Using a plane wave approximation in simulation of radiation distribution in an X-ray Talbot interferometer
- Authors: Gogolev A.S.1, Kazaryan M.A.2, Obkhodsky A.V.1, Popov A.S.1, Rezaev R.O.1,3, Smirnova E.A.1
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Affiliations:
- National Research Tomsk Polytechnic University
- Lebedev Physical Institute
- National Research Nuclear University “MEPhI”
- Issue: Vol 44, No 12 (2017)
- Pages: 350-352
- Section: Article
- URL: https://journals.rcsi.science/1068-3356/article/view/228510
- DOI: https://doi.org/10.3103/S1068335617120028
- ID: 228510
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Abstract
This study is devoted to the analysis of the plane-wave approximation applicability to X-ray radiation incident on an object. Based on simple calculations, it is shown that an X-ray tube focal spot 0.4 × 0.8 mm in size at distances of ~1 m can be considered as a point source; however, the plane-wave approximation for such X-ray radiation with energy E = 22keV is valid for radiation source–object distances much longer than 10 m.
About the authors
A. S. Gogolev
National Research Tomsk Polytechnic University
Email: kazar@sci.lebedev.ru
Russian Federation, pr. Lenina 30, Tomsk, 634034
M. A. Kazaryan
Lebedev Physical Institute
Author for correspondence.
Email: kazar@sci.lebedev.ru
Russian Federation, Leninskii pr. 53, Moscow, 119991
A. V. Obkhodsky
National Research Tomsk Polytechnic University
Email: kazar@sci.lebedev.ru
Russian Federation, pr. Lenina 30, Tomsk, 634034
A. S. Popov
National Research Tomsk Polytechnic University
Email: kazar@sci.lebedev.ru
Russian Federation, pr. Lenina 30, Tomsk, 634034
R. O. Rezaev
National Research Tomsk Polytechnic University; National Research Nuclear University “MEPhI”
Email: kazar@sci.lebedev.ru
Russian Federation, pr. Lenina 30, Tomsk, 634034; Kashirskoe sh. 31, Moscow, 115409
E. A. Smirnova
National Research Tomsk Polytechnic University
Email: kazar@sci.lebedev.ru
Russian Federation, pr. Lenina 30, Tomsk, 634034
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