Irfan Bulu et al 2005 New J. Phys. 7 223 doi:10.1088/1367-2630/7/1/223
Compact size highly directive antennas based on the SRR metamaterial medium
Focus on Negative RefractionIrfan Bulu1, Humeyra Caglayan, Koray Aydin and Ekmel Ozbay
Show affiliationsPart of Focus on Negative Refraction
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.
- PACS
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84.40.Ba Antennas: theory, components and accessories
84.40.Az Waveguides, transmission lines, striplines
41.20.Jb Electromagnetic wave propagation; radiowave propagation
- MSC
- Subjects
- Dates
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Issue 1 (October 2005)
Received 31 March 2005
Published 20 October 2005
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Compact size highly directive antennas based on the SRR metamaterial medium
Irfan Bulu et al 2005 New J. Phys. 7 223
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Investigation of magnetic resonances for different split-ring resonator parameters and designs
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