Left Handed Microstrip Transmission Line Loaded with Combination of Split Ring Resonator and Complementary-SRR

2008 ◽  
Vol 22 (13) ◽  
pp. 1857-1863 ◽  
Author(s):  
S. N. Khan ◽  
Q. L. Zhang ◽  
S. He
Keyword(s):  
Transmission Line ◽  
Ring Resonator ◽  
Split Ring Resonator ◽  
Split Ring ◽  
Microstrip Transmission Line ◽  
Left Handed

A miniaturized dual-band ZOR antenna using epsilon negative transmission line loading

2017 ◽  
Vol 9 (8) ◽  
pp. 1735-1739 ◽  
Author(s):  
Ashish Gupta ◽  
Raghvendra Kumar Chaudhary
Keyword(s):  
Transmission Line ◽  
Design Methodology ◽  
Ring Resonator ◽  
Split Ring Resonator ◽  
Dual Band ◽  
Split Ring ◽  
Wireless Applications ◽  
Left Handed ◽  
Metamaterial Antenna ◽  
Type Pattern

A miniaturized dual-band CPW-fed metamaterial antenna is presented and developed in this paper. Zeroth-order mode is originated by realizing open-ended composite right/left-handed transmission line. A dual split ring resonator is introduced to obtain another mode. The antenna is operated in the frequency region 1.60–1.64 and 2.76–2.79 GHz. Shunt inductance is offered by means of thin stripline connecting ground planes. It is demonstrated that by applying metamaterial loading (thin stripline) proposed antenna is capable to achieve 51.9% miniaturization with respect to the antenna without metamaterial loading. The presented antenna has an electrical size of 0.162 λ0 × 0.108 λ0 × 0.008 λ0 at f0 = 1.62 GHz. The antenna exhibits simulated gain of 1.05 and 2.59 dB in the broadside directions at 1.62 and 2.78 GHz, respectively. Beside that this antenna offers dipolar-type pattern and omnidirectional pattern in the xz-and yz-planes respectively at both bands, which is beneficial to be used in modern wireless applications. The design methodology of the proposed antenna is described with the help of current distributions and parametric analysis.

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