Atoms, Spectra, Radiations

JETP Letters

, Volume 84, Issue 7, pp 381-383

First online:

Fluorescent X-ray transport in microchannel plates

  • M. I. MazuritskiyAffiliated withRostov State University

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The X-ray absorption spectra of microchannel plates have been measured at grazing incidence of the primary radiation. The Si L components of X-ray absorption near-edge structure (XANES) spectra exhibit specific features for incident angles below a certain critical value. In order to explain the experimental data, a mechanism of selective X-ray fluorescence transport via microchannels is proposed, which is based on the notion of anomalous dispersion in the vicinity of the Si L absorption edge.

PACS numbers

07.85.Fv 41.50.+h 61.85.+p 71.23.Cq 78.70.Ck 78.70.Dm