Space-time modulation of an X-ray beam by ultrasonic superlattice |
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| Authors: | Roshchupkin DV Schelokov IA Tucoulou R Brunel M |
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| Affiliation: | Inst. of Microelectron. Technol. & High Purity Mater., Acad. of Sci., Chernogolovka; |
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| Abstract: | Space-time modulation of an X-ray beam is investigated by total external reflection on a YZ-cut of a LiNbO3 crystal modulated by surface acoustic waves. It is shown that the X-ray diffraction is determined by the amplitude and the wavelength of the surface acoustic waves. Both experimental and theoretical studies have revealed the possibility of fabricating X-ray optical elements based on space-time modulation by controlling the wavelength and the pulse modulation of the surface acoustic waves. These experiments were carried out at CNRS (Grenoble, France) using a rotating copper anode |
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