Abstract
<p class="Default"><strong>in this paper we designed microstrip patch antenna by using metamaterial to improve antenna bandwidth. We inserted </strong><strong>Complementary Split Ring Resonator (CSRR) structure between the ground and patch in the substrate. We compared our design with the conventional microstrip patch antenna in point of bandwidth. We obtained bandwidth improvement by 800MHz. Simulation was obtained by using HFSS simulator</strong><strong></strong></p>
Highlights
The idea of Material which is known Left Handed Materials (LHMs) dates back to (1967), when Veselago [1] considered theoretically electromagnetic plane wave propagation in a lossless medium with simultaneously negative real permittivity and permeability at a given frequency
In order to describe a LHM, we need to start with a description of a Right Handed Material (RHM) first
If the direction of the Electric field (E) and the Magmatic field (H) are represented by the thumb and the index finger of the right hand respectively, the middle finger gives the direction of propagation of the wave, if it is placed normal to both fingers
Summary
The idea of Material which is known Left Handed Materials (LHMs) dates back to (1967), when Veselago [1] considered theoretically electromagnetic plane wave propagation in a lossless medium with simultaneously negative real permittivity and permeability at a given frequency. Electromagnetic waves propagation in all known natural materials follows the right hand rule, with positive refractive indexes [2]. LHM as defined by Sihvola [3], is an engineered material that does not exist in nature which gains its material properties from its structure rather than inheriting them directly from the material In such a medium, LHM, if the direction of the electric field (E) and the magmatic field (H) are represented by the thumb and the index finger of the left hand respectively, the middle finger gives the direction of phase changes of the wave (K = ω√(ε)√∗ (μ) ) if it is placed normal to both fingers.
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