Experimental Techniques

, Volume 41, Issue 5, pp 517–523 | Cite as

Bimorph Actuator: a New Instrument for Time-Resolved X-ray Diffraction and Spectroscopy

  • A.E. Blagov
  • A.G. Kulikov
  • N.V. Marchenkov
  • Y.V. Pisarevsky
  • M.V. Kovalchuk
Article
  • 98 Downloads

Abstract

A new approach to time-resolved X-Ray experiments implementation at both laboratory X-Ray sources and synchrotron facilities is presented. A time resolution of few milliseconds per one rocking curve measurement can be reached by using a new X-Ray optics element – vibrating bimorph actuator based on a bidomain bending-type crystal of lithium niobate. The ranges of X-Ray beam angular or energy changeover are defined by the actuator operational mode and resonant response. The time and spatial parameters for X-ray optical element based on bimorph actuator have been estimated. The ranges of actuator angular changeover in a dynamical mode at various frequencies (including resonance) of bidomain crystal vibrations have reached up to 100 arcseconds in а quasistatic mode and more than 500 arcseconds in а resonance mode at the control voltage of 22 V and vibration frequency up to 8 kHz (which corresponds to time resolution of 0.125 milliseconds). The numerical algorithms for processing of the experimental data measured using the bimorph optical element have been developed. The examples of X-Ray beam angular changeover reached in different actuator vibration modes and possible application of such approach are presented in the work.

Keywords

Time-resolved experiments X-ray diffraction Biomorphic actuator Bending X-ray optical element 

Notes

Compliance with Ethical Standards

Funding

This work was supported by the Russian Foundation for Basic Research (Grant № 16-32-60045 mol_a_dk).

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Copyright information

© The Society for Experimental Mechanics, Inc 2017

Authors and Affiliations

  • A.E. Blagov
    • 1
    • 2
  • A.G. Kulikov
    • 1
    • 2
  • N.V. Marchenkov
    • 1
    • 2
  • Y.V. Pisarevsky
    • 1
    • 2
  • M.V. Kovalchuk
    • 1
    • 2
  1. 1.Russian Academy of SciencesShubnikov Institute of Crystallography of the Federal Scientific Research Centre “Crystallography and Photonics”MoscowRussia
  2. 2.National Research Centre“Kurchatov Institute”MoscowRussia

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