A New Method for Determining the Size of a Synchrotron Radiation Beam in the Focus of a Compound Refractive Lens

M. S. Folomeshkin; Фоломешкин М. С.; V. G. Kohn; Кон В. Г.; A. Yu. Seregin; Серегин А. Ю.; Yu. A. Volkovsky; Волковский Ю. А.; P. A. Prosekov; Просеков П. А.; V. A. Yunkin; Юнкин В. А.; D. A. Zverev; Зверев Д. А.; A. A. Barannikov; Баранников А. А.; A. A. Snigirev; Снигирёв А. А.; Yu. V. Pisarevsky; Писаревский Ю. В.; A. E. Blagov; Благов А. Е.; M. V. Kovalchuk; Ковальчук М. В.

doi:10.31857/S0023476123010071

A New Method for Determining the Size of a Synchrotron Radiation Beam in the Focus of a Compound Refractive Lens

Authors: Folomeshkin M.S.¹^,2, Kohn V.G.¹^,2, Seregin A.Y.¹^,2, Volkovsky Y.A.¹^,2, Prosekov P.A.¹^,2, Yunkin V.A.³, Zverev D.A.⁴, Barannikov A.A.⁴, Snigirev A.A.⁴, Pisarevsky Y.V.¹^,2, Blagov A.E.¹^,2, Kovalchuk M.V.¹^,2^,5
Affiliations:
1. National Research Centre “Kurchatov Institute”, 123182, Moscow, Russia
2. Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, 119333, Moscow, Russia
3. Institute of Microelectronics Technology and High Purity Materials, Russian Academy of Sciences, 142432, Chernogolovka, Moscow oblast, Russia
4. Immanuel Kant Baltic Federal University, 236016, Kaliningrad, Russia
5. St. Petersburg State University, 199034, St.Petersburg, Russia
Issue: Vol 68, No 1 (2023)
Pages: 5-10
Section: ДИФРАКЦИЯ И РАССЕЯНИЕ ИОНИЗИРУЮЩИХ ИЗЛУЧЕНИЙ
URL: https://journals.rcsi.science/0023-4761/article/view/137350
DOI: https://doi.org/10.31857/S0023476123010071
EDN: https://elibrary.ru/DNXSQI
ID: 137350

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Abstract
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Abstract

A new method is proposed for determining experimentally the size of a synchrotron radiation beam in the focus of planar compound refractive lenses. The method consists in measuring the angular divergence of radiation after the focus using Bragg diffraction in a perfect crystal during its rotation. This method determines the beam size, which depends only on the focusing properties of the lenses in use, in contrast to other currently applied methods. The efficiency of the proposed approach has been experimentally demonstrated using nanofocusing planar silicon lenses as an example.

Keywords

SYNCHROTRON RADIATION BEAM, REFRACTIVE LENSES

References

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