Open AccessШирокополосная фильтрация рентгеновского спектра при прохождении через поликапиллярную структуру
Author(s) -
А.Г. Турьянский,
С.С. Гижа,
В.М. Сенков
Publication year - 2019
Publication title -
pisʹma v žurnal tehničeskoj fiziki
Language(s) - English
Resource type - Journals
eISSN - 1726-7471
pISSN - 0320-0116
DOI - 10.21883/pjtf.2019.01.47151.17498r
Subject(s) - borosilicate glass , optics , materials science , attenuation , hexagonal crystal system , photon , filter (signal processing) , ranging , physics , chemistry , crystallography , geology , computer science , geodesy , composite material , computer vision
The efficiency of broadband filtering of a polychromatic X-ray spectrum by a polycapillary structure in the region of photon energies E > 10 keV was demonstrated. A polycapillary 40.5-mm-long rod made of borosilicate glass and containing 10^6 parallel hexagonal capillaries was used as a filter. Filtering was performed by introducing a misalignment of 0–4 mrad between the axis of this capillary structure and the primary beam direction. The relative attenuation of spectral density observed at energies ranging from 12 to 23 keV was as high as 17 dB.