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This paper describes an accurate circuit model that accounts for the working principles behind the operation of a recently demonstrated planar resonant blazed grating. The strictly planar grating is a simple array of metal strips printed on a conductor-backed substrate. The circuit model provides an analytical description of the perfect blazing caused by resonance in an infinite grating of this kind...
A circuit model approach is here presented to characterize bi-dimensional arrangements of dual-polarized elements. This contribution is an extension of the physical insightful approach previously proposed by some of the authors. The main novelty here resides in the fact that the scatterer may support two different current profiles. This feature becomes crucial for the accurate characterization of...
The study of the transmission of electromagnetic waves through periodically perforated opaque screens, even though being a very classical topic, has received a renewed attention along the last fifteen years because of the discovery of the exciting phenomenon so-called extraordinary optical transmission [1]. The transmission spectrum of structures consisting on periodic arrays of holes or slits made...
The study of the transmission of electromagnetic waves through periodically perforated opaque screens, even though being a very classical topic, has received a renewed attention along the last fifteen years because of the discovery of the exciting phenomenon so-called extraordinary optical transmission [1]. The transmission spectrum of structures consisting on periodic arrays of holes or slits made...
This presents an equivalent transmission-line circuit that accounts for the scattering of a TE polarized plane wave that impinges obliquely on a periodic array of metallic patches sandwiched in a dielectric slab. The proposed approach gives a very efficient reduced-order model of the electromagnetic phenomenon able to reproduce all the fine quantitative details of the reflection/transmission spectrum...
The study of the transmission of electromagnetic waves through sub-wavelength apertures has been a very popular topic since the discovery of the phenomenon so-called extraordinary transmission. Some of the authors have recently presented useful models to deal with this phenomenon in a very simple manner. Following this research line, in this contribution an analytical circuit-like model is proposed...
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