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

Remi Tucoulou; Dmitry V. Roshchupkin; Olivier Mathon; Igor A. Schelokov; Michel Brunel

doi:10.1117/12.331835

1 December 1998 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

Remi Tucoulou, Dmitry V. Roshchupkin, Olivier Mathon, Igor A. Schelokov, Michel Brunel

Author Affiliations +

Proceedings Volume 3451, Time Structure of X-Ray Sources and Its Applications; (1998) https://doi.org/10.1117/12.331835
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

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.

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Remi Tucoulou, Dmitry V. Roshchupkin, Olivier Mathon, Igor A. Schelokov, and Michel Brunel "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", Proc. SPIE 3451, Time Structure of X-Ray Sources and Its Applications, (1 December 1998); https://doi.org/10.1117/12.331835

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