Skew Incidence Plane-Wave Scattering From 2-D Dielectric Periodic Structures: Analysis by the Mortar-Element Method

A full-wave simulator of 2-D dielectric periodic structures under skew plane wave incidence is presented in this paper. A differential formulation is used and the boundary value problem is solved by means of a multi-domain spectral method. Suitable mappings allow the efficient analysis of dielectric...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 2015-01, Vol.63 (1), p.11-19
Main Authors: Tibaldi, Alberto, Orta, Renato, Peverini, Oscar Antonio, Addamo, Giuseppe, Virone, Giuseppe, Tascone, Riccardo
Format: Article
Language:English
Subjects:
Arrays
Corners
Dielectric structures
Dielectrics
Electromagnetics
Equations
Incidence
Method of moments
mortar matching
Periodic structures
Plane waves
Ports (Computers)
Rods
Simulation
spectral methods
surface-relief diffraction gratings
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Summary:A full-wave simulator of 2-D dielectric periodic structures under skew plane wave incidence is presented in this paper. A differential formulation is used and the boundary value problem is solved by means of a multi-domain spectral method. Suitable mappings allow the efficient analysis of dielectric elements with rounded corner cross sections. A comparison with the results obtained by the method of moments and with a commercial simulator is presented for an array of dielectric rods and for a surface-relief diffraction grating.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.2014.2373360