Abstract
This article presents a metasurfaced patch antenna in which the metasurface acts as a superstrate/cover placed atop a 2.45-GHz patch antenna, at a small distance. The metasurface is a Mu-near-zero (MNZ) type, which gives a near-zero index of refraction. The MNZ metasurface consists of 4 x 4 double-closed-loop resonators printed on a thin FR4 dielectric slab. The proposed antenna is low-cost and low-profile, having overall dimensions of 0.86 λ x 0.86 λ x 0.07 λ. The simulation and experimental results confirm that the metasurfaced antenna not only has simultaneous enhancements on broadside gain and bandwidth, but also improves antenna efficiency.
Original language | English |
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Pages (from-to) | 529-532 |
Number of pages | 4 |
Journal | Microwave and Optical Technology Letters |
Volume | 54 |
Issue number | 2 |
DOIs | |
Publication status | Published - 2012 |
Keywords
- metamaterials
- microstrip antennas