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Proceedings Paper

Electromagnetic theory of multilayer gratings and zone plates
Author(s): Michel Neviere; Frederic Montiel
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Paper Abstract

The two types of multilayer gratings used n x-ray domain, i.e. multilayer coated gratings and Bragg-Fresnel multilayer gratings are analyzed with the electromagnetic theory. The analysis starts from the differential formalism previously developed for a bare (single profile) grating. The method is generalized to an arbitrary thick modulated stratified medium thanks to the use of a suitable S-matrix propagation algorithm and gives stable and accurate numerical results. Thus, new diffracting devices which were out of reach of all existing theories can be analyzed, such as x-ray multilayer echelles. The method is then extended to study unperiodic focusing devices such as Bragg-Fresnel linear zone plates.

Paper Details

Date Published: 19 July 1996
PDF: 8 pages
Proc. SPIE 2805, Multilayer and Grazing Incidence X-Ray/EUV Optics III, (19 July 1996); doi: 10.1117/12.245092
Show Author Affiliations
Michel Neviere, Lab. d'Optique Electromagnetique/URA CNRS (France)
Frederic Montiel, Lab. d'Optique Electromagnetique/URA CNRS (France)

Published in SPIE Proceedings Vol. 2805:
Multilayer and Grazing Incidence X-Ray/EUV Optics III
Richard B. Hoover; Arthur B. C. Walker II, Editor(s)

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