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2020-10-05

Miniaturization of Microstrip Slot Antenna Using High Refractive Index Metamaterial Based on Single Ring Split Ring Resonator

By Gudibandi Bharath Reddy, Murugan Harish Adhithya, and Dhamodharan Sriram Kumar
Progress In Electromagnetics Research Letters, Vol. 93, 115-122, 2020
doi:10.2528/PIERL20060601

Abstract

In this paper, the miniaturization of the slot antenna is presented for the first time with the use of high refractive index metamaterial. Based on the effective parameter extraction, the studies conducted on Single Ring Split Ring Resonator (SR-SRR) reveal that the unit cell can produce high values of positive refractive index. By taking the advantage of the principle of duality, the slot is loaded with two Complementary SR-SRRs (CSR-SRRs) on either side of it to create an effective HRI medium. With the partial loading of HRI metamaterial medium, the resonance frequency of the slot is brought down from 4.225 GHz to 2.5 GHz. The radiation characteristics of the loaded slot antenna were found to be almost similar to that of the conventional slot antenna. The simulated and measurement results were found in good agreement.

Citation


Gudibandi Bharath Reddy, Murugan Harish Adhithya, and Dhamodharan Sriram Kumar, "Miniaturization of Microstrip Slot Antenna Using High Refractive Index Metamaterial Based on Single Ring Split Ring Resonator," Progress In Electromagnetics Research Letters, Vol. 93, 115-122, 2020.
doi:10.2528/PIERL20060601
http://www.jpier.org/PIERL/pier.php?paper=20060601

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