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Klimova, N. B.; Barannikov, A. A.; Sorokovikov, M. N.; Zverev, D. A.; Yunkin, V. A.; Prosekov, P. A.; Seregin, A. Yu; Blagov, A. E.; Snigirev, A. A.
Crystallography reports, 12/2022, Letnik: 67, Številka: 6Journal Article
Single-crystal planar compound refractive lenses under diffraction losses (glitches) conditions, when a part of radiation incident on an optical element diffracts from some set of atomic planes, have been investigated. A detailed experimental study using synchrotron radiation of the influence of glitches on the focal spot formed by lenses has been performed. An analysis of the data obtained showed that diffraction losses arise on different parts of the parabolic lens profile due to the refraction effect at radiation energies differing by a few electronvolts. As a result, the shape of the focused beam changes with a change in energy near the energy of the glitch.
