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Metamaterial-based half Maxwell fish-eye lens for broadband directive emissions
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10.1063/1.4776662
/content/aip/journal/apl/102/2/10.1063/1.4776662
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/2/10.1063/1.4776662

Figures

Image of FIG. 1.
FIG. 1.

Schematic view of the lens antenna composed of a planar metamaterial-based lens and a Vivaldi-type antenna feed placed in a quasi-TEM parallel-plate waveguide. The geometrical dimensions are L = 190 mm, W = 130 mm, h = 11 mm, ds  = 51.5 mm, and R = 56 mm.

Image of FIG. 2.
FIG. 2.

(a) Simulation setup used to retrieve the effective constitutive parameters of the CCR cells. (b) Reflection and transmission responses of atypical CCR structure with lx  = ly  = 3.3 mm, which is used in the non-resonant frequency regime such that it presents broadband features in the 8-12 GHz band (less than 10% variation over the whole band). (c) Extracted effective index of the CCR structure. The geometrical dimensions are lc  = 18.5 mm, h = 11 mm, g = 1 mm, a = 3.6 mm, and c = 0.3 mm.

Image of FIG. 3.
FIG. 3.

Measured electric near-field distribution and H-plane (horizontal) far-field radiation patterns of the metamaterial-based lens antenna in the 8-12 GHz frequency band.

Tables

Generic image for table
Table I.

Dimensions of the CCR cells and their effective index in the different discretized zones of the HMFE lens.

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/content/aip/journal/apl/102/2/10.1063/1.4776662
2013-01-16
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Metamaterial-based half Maxwell fish-eye lens for broadband directive emissions
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/2/10.1063/1.4776662
10.1063/1.4776662
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