Crystallography Reports

, Volume 61, Issue 2, pp 170–172 | Cite as

Fast ultrasonic wavelength tuning in X-ray experiment

  • A. E. Blagov
  • Yu. V. Pisarevskii
  • M. V. Koval’chuk
Diffraction and Scattering of Ionizing Radiations

Abstract

A method of tuning (scanning) X-ray beam wavelength based on modulation of the lattice parameter of X-ray optical crystal by an ultrasonic standing wave excited in it has been proposed and experimentally implemented. The double-crystal antiparallel scheme of X-ray diffraction, in which an ultrasonic wave is excited in the second crystal, is used in the experiment. The profile of characteristic line k α1 of an X-ray tube with a molybdenum anode is recorded using both the proposed tuning scheme and conventional mechanical rotation of crystal. The results obtained by both techniques are in good agreement.

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Copyright information

© Pleiades Publishing, Inc. 2016

Authors and Affiliations

  • A. E. Blagov
    • 1
    • 2
  • Yu. V. Pisarevskii
    • 1
    • 2
  • M. V. Koval’chuk
    • 1
    • 2
  1. 1.National Research Centre “Kurchatov Institute”MoscowRussia
  2. 2.Shubnikov Institute of CrystallographyRussian Academy of SciencesMoscowRussia

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