Theoretical modeling of hard X-ray surface modes in a periodic multilayer

The excitation of hard X-ray surface modes of a periodic multilayer is studied with the help of theoretical modeling. It is found that a hard X-ray surface mode can appear in a specific periodic multilayer coated with a high-density reflecting layer. The generation of the hard X-ray surface modes is...

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Bibliographic Details
Published in:Optics communications 2008-01, Vol.281 (1), p.113-120
Main Author: Prudnikov, I.R.
Format: Article
Language:English
Subjects:
Grazing-incidence X-ray specular reflection
Hard X-ray surface modes
Periodic multilayers
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Summary:The excitation of hard X-ray surface modes of a periodic multilayer is studied with the help of theoretical modeling. It is found that a hard X-ray surface mode can appear in a specific periodic multilayer coated with a high-density reflecting layer. The generation of the hard X-ray surface modes is shown to be effective only at a certain set of the structural parameters of the multilayer. A method for the calculation of the propagation (attenuation) length of the surface mode running in the periodic multilayer is described. The excitation of the hard X-ray surface modes is compared with that of optical surface modes in photonic crystals. The relationship between the surface modes and guided modes of periodic multilayers is discussed.
ISSN:0030-4018
1873-0310
DOI:10.1016/j.optcom.2007.09.012