Compact size highly directive antennas based on the SRR metamaterial medium

Details Compact size highly directive antennas based on the SRR metamaterial medium Compact size highly directive antennas based on the SRR metamaterial medium

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005njph....7..223b&link_type=abstract

New Journal of Physics, Volume 7, Issue 1, pp. 223 (2005).

Physics

12

Scientific paper

In this work, we studied the far-field properties of the microwave radiation from sources embedded inside the split-ring resonator (SRR) metamaterial medium. Our results showed that the emitted power near the resonance frequency of the SRR structure was confined to a narrow angular region in the far field. The measured radiation patterns showed half-power beamwidths around 14°. The highly directive radiation is obtained with a smaller radiation surface area when compared to the previous results obtained by using photonic crystals. The reduction in the surface area is ten-fold in the case of the SRR metamaterial medium when compared to the photonic crystals. Our results provide means to create compact size highly directive antennas.

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