X-Rays Diffraction by Excitation of Orthogonal Acoustic Oscillations in a Quartz Crystal

For the creation of an X-ray acoustic monochromator with the possibility of simultaneous control of the intensity and angular position of X-rays, the distributions of the half-width and intensity of the peaks of the rocking curve along the surface of a quartz single crystal from reflecting atomic pl...

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Bibliographic Details
Published in:Journal of contemporary physics 2022-06, Vol.57 (2), p.192-197
Main Authors: Blagov, A. E., Kocharyan, V. R., Eliovich, Ya. A., Targonsky, A. V., Movsisyan, A. E., Korzhov, V. A., Shahverdyan, A. V., Mkrtchyan, A. H., Kovalchuk, M. V.
Format: Article
Language:English
Subjects:
Acoustic waves
Acoustics
Angular position
Particle and Nuclear Physics
Physics
Physics and Astronomy
Quartz crystals
Single crystals
Transverse oscillation
X-rays
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Summary:For the creation of an X-ray acoustic monochromator with the possibility of simultaneous control of the intensity and angular position of X-rays, the distributions of the half-width and intensity of the peaks of the rocking curve along the surface of a quartz single crystal from reflecting atomic planes (11 0) in the presence of longitudinal and transverse acoustic oscillations have been studied. It is shown that it is possible to simultaneously excite mutually perpendicular acoustic waves in a single crystal resonator while maintaining the ability to control the parameters of the X-ray beam using each of the types of oscillations. In this case, transverse oscillations “along the thickness” of the crystal make it possible to control the intensity of the diffracted radiation, and longitudinal oscillations “along the length” make it possible to carry out a controlled angular adjustment of the diffracted beam.
ISSN:1068-3372
1934-9378
DOI:10.3103/S1068337222020086