FIELD: physics.
SUBSTANCE: invention is intended for the X-ray beam convergence control. Performing resulting from the diffraction unit irradiation by the initial X-ray beam the X-ray beam convergence control by the electric field application to the piezoelectric cell plate. Piezoelectric cell plate has two electrodes pre-sprayed on the said plate both opposite surfaces and glued to the single-crystal plate with the block formation, providing the single-crystal plate working profile production, corresponding to the x-ray beam required convergence, due to the single-crystal plate working surface curvature change.
EFFECT: technical result is expansion of the single-crystal plate working surface bending possibility, which consists in the said surface curvature additional change, due to the glued to each other bent single crystal plate and the piezoelectric plate maximum deflection longitudinal displacement as the result of applied to the piezoelectric plate electric field action.
3 cl, 3 dwg, 2 ex
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