Publication Details:
Journal or Publication Title:
Armenian Journal of Physics=Ֆիզիկայի հայկական հանդես
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Title:
FOCUSING OF HARD X-RAYS IN A QUARTZ CRYSTAL UNDER EXTERNAL TEMPERATURE GRADIENT
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Institute of Applied Problems of Physics of NAS RA
Subject:
Physics ; Atomic and molecular physics ; Materials science
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Abstract:
In order to obtain monochromators and lenses with controlled parameters in the hard X-ray range (above 30 keV), we have considered the X-ray diffraction in Laue geometry influenced by the temperature gradient. It is shown that with the help of the temperature gradient impact it is possible to separate a beam with high angular and spectral width from a white beam, transfer it in the direction of reflection and focus it, i.e., control the parameters of the beam in a large range.