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Proceedings Paper

High-frequency modulation of an x-ray beam by diffraction on surface acoustic waves: application to the design of a MHz-range chopper and to digital data transfer by x rays
Author(s): Remi Tucoulou; Dmitry V. Roshchupkin; Olivier Mathon; Igor A. Schelokov; Michel Brunel
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Paper Abstract

The diffraction of an X-ray beam on an ultrasonic wave propagating at the surface of a crystal gives rise to diffraction satellites whose temporal structure is correlated to the one of the ultrasonic wave. Two different applications of this phenomenon are presented in this paper: By matching the temporal structure of the surface acoustic wave (SAW) with the filling mode of the storage ring, it is possible to pick or reject the incident X-ray pulses and thus to build a chopper working in the MHz range. The second application deals with binary data transfer by an X-ray beam. The experiment consists in modulating the signal fed to the acoustic transducer with a signal carrying digital data, which is a way of transmitting this information into the X-ray beam satellite.

Paper Details

Date Published: 1 December 1998
PDF: 10 pages
Proc. SPIE 3451, Time Structure of X-Ray Sources and Its Applications, (1 December 1998); doi: 10.1117/12.331835
Show Author Affiliations
Remi Tucoulou, European Synchrotron Radiation Facility (France)
Dmitry V. Roshchupkin, Institute of Microelectronics Technology (Russia)
Olivier Mathon, European Synchrotron Radiation Facility (France)
Igor A. Schelokov, Institute of Microelectronics Technology (Russia)
Michel Brunel, Lab. de Cristallographie-CNRS (France)

Published in SPIE Proceedings Vol. 3451:
Time Structure of X-Ray Sources and Its Applications
Andreas K. Freund; Henry P. Freund; Malcolm R. Howells, Editor(s)

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