Short-period multilayer mirrors for high-resolution multilayer mirror/crystal monochromator
Polkovnikov V. N. 1, Chkhalo N. I. 1, Shaposhnikov R. A.1, Nikolenko A. D. 2
1Institute for Physics of Microstructures, Russian Academy of Sciences, Nizhny Novgorod, Russia
2Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
Email: shaposhnikov-roma@mail.ru
The paper presents the results of studies of W/B4C multilayer structures with small periods for their use as the first mirror in a two-mirror soft X-ray monochromator at the "KOSMOS" station of the VEPP-4M synchrotron. It is shown that even if the periods of the mirror and the RbAP crystal coincide, when operating in a wide wavelength range, the Bragg angle must be adjusted due to the stronger refraction in the W/B4C multilayer mirror. Keywords: multilayer X-ray mirrors, synchrotron applications, X-ray monochromators. DOI: 10.61011/TP.2023.07.56631.102-23
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