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Cylindrical, periodic surface lattice—Theory, dispersion analysis, and experiment
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View: Figures


Image of FIG. 1.
FIG. 1.

Schematic showing a planar Fabry-Perot like cavity with one of the mirrors having a high-impedance surface which allows coupling of surface fields and volume fields. The arrows indicate the mathematical steps required to move from planar geometry to a cylindrical cavity with a high-impedance surface similar to a dielectric layer.

Image of FIG. 2.
FIG. 2.

Dispersion diagrams observed from Eq. (3) for a structure having: mean diameter 7.9 cm, number of azimuthal variation 28 illustrating the coupling between partial volume TM0,10 and surface EH28,1 fields when λc/d z and α coupling coefficient (α = 1 for all right hand-side insets) are: (a) 1 and 0.1; (b) and 0.25; (c) 2.3 and 0.1, respectively. In all figures, the dashed lines indicate the dispersion of the unperturbed partial fields, i.e., when α = 0.

Image of FIG. 3.
FIG. 3.

The experimental studies of (a) frequency dependence of signal transmission through the cylindrical 2D PSL measured at the set of angles θ ∈ [0°;6°] with right hand side insets illustrating the shifts of the minima measured with variation of observation angle θ, (b) pulse propagation through the 2D PSL measured having carrier frequencies 38.0 GHz, 37.64 GHz, and 36.8 GHz, with the right hand-side insets magnifying the results observed for pulses formed with the 37.64 GHz carrier frequency.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Cylindrical, periodic surface lattice—Theory, dispersion analysis, and experiment