Beryllium as a Material for Thermally Stable X-Ray Mirrors
- Authors: Chkhalo N.I.1, Zorina M.V.1, Malyshev I.V.1, Pestov A.E.1, Polkovnikov V.N.1, Salashchenko N.N.1, Kazakov D.S.2, Mil’kov A.V.2, Strulya I.L.2
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Affiliations:
- Institute for Physics of Microstructures, Russian Academy of Sciences
- OAO Kompozit
- Issue: Vol 64, No 11 (2019)
- Pages: 1596-1601
- Section: Article
- URL: https://journals.rcsi.science/1063-7842/article/view/204367
- DOI: https://doi.org/10.1134/S1063784219110070
- ID: 204367
Cite item
Abstract
Thermophysical and mechanical characteristics of beryllium are compared with the corresponding characteristics of promising materials that are used for fabrication of precision mirrors working under high-intensity electromagnetic irradiation. Advantages and prospects for application of beryllium in the third- and fourth-generation synchrotrons are discussed. An original method for fabrication of ultrasmooth surfaces of beryllium substrates is presented, and limiting roughnesses are reported. Reflectances at a wavelength of 13.5 nm are determined for a multilayer Mo/Si mirror deposited on the beryllium substrate. Prospects for improving quality of polishing of beryllium substrates are discussed.
About the authors
N. I. Chkhalo
Institute for Physics of Microstructures, Russian Academy of Sciences
Author for correspondence.
Email: chkhalo@ipmras.ru
Russian Federation, Nizhny Novgorod, 607680
M. V. Zorina
Institute for Physics of Microstructures, Russian Academy of Sciences
Email: chkhalo@ipmras.ru
Russian Federation, Nizhny Novgorod, 607680
I. V. Malyshev
Institute for Physics of Microstructures, Russian Academy of Sciences
Email: chkhalo@ipmras.ru
Russian Federation, Nizhny Novgorod, 607680
A. E. Pestov
Institute for Physics of Microstructures, Russian Academy of Sciences
Email: chkhalo@ipmras.ru
Russian Federation, Nizhny Novgorod, 607680
V. N. Polkovnikov
Institute for Physics of Microstructures, Russian Academy of Sciences
Email: chkhalo@ipmras.ru
Russian Federation, Nizhny Novgorod, 607680
N. N. Salashchenko
Institute for Physics of Microstructures, Russian Academy of Sciences
Email: chkhalo@ipmras.ru
Russian Federation, Nizhny Novgorod, 607680
D. S. Kazakov
OAO Kompozit
Email: chkhalo@ipmras.ru
Russian Federation, Korolev, Moscow oblast, 141070
A. V. Mil’kov
OAO Kompozit
Email: chkhalo@ipmras.ru
Russian Federation, Korolev, Moscow oblast, 141070
I. L. Strulya
OAO Kompozit
Email: chkhalo@ipmras.ru
Russian Federation, Korolev, Moscow oblast, 141070