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On the Possibility of the Nanoscale Focusing of Synchrotron Radiation Using an Adiabatic Refractive Lens

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Abstract

A new version of the analytical theory for the nanoscale focusing of synchrotron radiation (SR) using compound refractive lenses (CRLs) is developed. A rather simple (from the point of view of both technical realization and theoretical calculations) model of an adiabatic refractive lens (ARL) in the form of a cascade of CRLs is proposed. It is shown that planar ARLs, which can be potentially implemented using silicon-surface microstructuring, can focus a SR beam to a size smaller than that, obtained in the use of CRLs (wc = λ(8δ)–1/2, where λ is the wavelength, δ = 1 – n, and n is the refractive index). It is found that, in the case of high-energy photons (more than 50 keV), the theoretically possible sizes of a focused beam of hard SR are less than 10 and 7 nm for silicon and nickel ARLs, respectively.

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Funding

This study was supported in part by the Russian Foundation for Basic Research, project no. 19-29-12043mk. M.S. Folomeshkin acknowledges the support of the Ministry of Science and Higher Education of the Russian Federation within the State assignment for the Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences.

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Authors and Affiliations

  1. National Research Centre “Kurchatov Institute”, 123182, Moscow, Russia

    V. G. Kohn

  2. Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics”, Russian Academy of Sciences, 119333, Moscow, Russia

    V. G. Kohn & M. S. Folomeshkin

Authors
  1. V. G. Kohn
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  2. M. S. Folomeshkin
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Correspondence to M. S. Folomeshkin.

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We declare that we have no conflict of interest.

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Translated by A. Sin’kov

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Kohn, V.G., Folomeshkin, M.S. On the Possibility of the Nanoscale Focusing of Synchrotron Radiation Using an Adiabatic Refractive Lens. Nanotechnol Russia 17, 126–130 (2022). https://doi.org/10.1134/S2635167622010086

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  • DOI: https://doi.org/10.1134/S2635167622010086

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