Volume 118, Number 2, April 2017
|Number of page(s)||5|
|Section||Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics|
|Published online||26 June 2017|
Split ring resonators made of conducting wires for performance enhancement
1 Department of Physics, Newman College, Mahathma Gandhi University - Thodupuzha, Kerala, India
2 Department of Physics, Christ College (Autonomous), University of Calicut - Irinjalakuda, Kerala, India
3 Department Electronics, Prajyoti Niketan College, University of Calicut - Thrissur, Kerala, India
Received: 28 January 2017
Accepted: 8 June 2017
This paper introduces a negative permeability metamaterial structure —Wire Split Ring Resonator (WSRR)— constructed using conducting wires and experimentally investigates its tunable properties at microwave frequencies. The structure is fabricated by fixing conducting rings made of copper wires on a thin flexible polymer film. The resonance properties of a single WSRR are studied by placing it between two monopole antennas connected to a vector network analyser. For the analysis of bulk samples, two horn antennas are used. The structure shows strong magnetic response with high-quality factor and is observed to be very sensitive to parameter variations. A comparitive study with conventional SRR is made and the results are verified by simulation. The proposed WSRR structure is easy to construct and is superior to conventional SRR in frequency selective and tunable applications.
PACS: 41.20.Jb – Electromagnetic wave propagation; radiowave propagation / 42.60.Da – Resonators, cavities, amplifiers, arrays, and rings
© EPLA, 2017
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