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A Computer-Aided Analytical Study on the Characteristics of Left Handed Material Structures at Microwave Frequencies

Author(s): Banerjee Debashree | Roy Tapashree | Kar Subal

Journal: IETE Journal of Research
ISSN 0377-2063

Volume: 55;
Issue: 3;
Start page: 112;
Date: 2009;
Original page

Keywords: Left-handed materials | Negative group velocity | Negative refraction | Split-ring resonator | Wire array.

Computer-aided analytical studies and physical understanding of important characteristics of some commonly used left-handed material (LHM) structures (wire-array and split-ring resonator), to realize negative effective -permittivity and permeability leading to negative refractive index over a desired frequency band have been reported in this -paper. The transmission of electromagnetic wave through LHMs and right-handed materials (RHMs) has some -fundamental differences. This issue of electromagnetic wave transmission through LHM has been characterized, and a -physical -insight of the phenomena has also been included. The LHM characterization using computer-aided -analytical -modeling shows good agreement with the previous numerical simulation and experimental results reported for such microstructures operating at microwave frequencies.
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