Abstract

The spatial distribution of the intensity and spectra of X rays at the output of microchannel plates is studied both experimentally and theoretically. A model of planar antenna array is used for radiation transmitted through an ordered system of through hollow microchannels for the energy range of 90–2000 eV. The results of the calculations are in good agreement with experimental data obtained with the parallel beams of monochromatic synchrotron radiation. The energy characteristics of the output radiation whose fine spectral structure corresponds to the reflection and fluorescence spectra near the Si L- and Si K-absorption edges are presented.

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