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- Title
A Compact Dual-Mode Metamaterial-Inspired Antenna Using Rectangular Type CSRR.
- Authors
Gupta, Ashish; Sharma, Sameer K.; Chaudhary, Raghvendra K.
- Abstract
In this paper a compact planar dual-mode metamaterial (MTM) antenna using rectangular type complementary split ring resonator (CSRR) is proposed. It is observed that an increase in series capacitance tends to decrease resonant frequency at which n = 1 mode is obtained in the proposed antenna. Zeroth order mode (ZOR) is obtained by means of rectangular type CSRR, tends to provide the miniaturized area. Dispersion relations are shown in order to characterize the metamaterial behavior by extracting the equivalent circuit parameters. The resonant frequency of the antenna is 2.14GHz with input reflection coefficient up to -45 dB. The electrical size of the proposed MTM antenna is 0.321λ0 x 0.285λ0 x 0.011λ0. ZOR mode is observed at 1.15GHz although the proposed antenna is operated at 2.14GHz. Furthermore, it achieves simulated antenna gain of 2.60 dB with 70% radiation efficiency. In order to verify the simulation results of antenna, a prototype is fabricated and measured.
- Subjects
METAMATERIALS; RESONATORS; ANTENNAS (Electronics); COMPUTER simulation; COMPOSITE materials
- Publication
Progress in Electromagnetics Research C, 2015, Vol 57, p35
- ISSN
1937-8718
- Publication type
Article
- DOI
10.2528/pierc15032304