CST – Computer Simulation Technology

Theoretical and experimental investigation of negative index fishnet metamaterial multilayers in the Q-band

Title:
Theoretical and experimental investigation of negative index fishnet metamaterial multilayers in the Q-band
Author(s):
W. Sfar Zaouia, M. Nafea, M. Genga, W. Vogela, M. Berrotha
Source:
Waves in Random and Complex Media
Vol./Issue/Date:
Volume: 24, Issue: 2, 10 February 2014
Year:
2014
Page(s):
149-163
Abstract:
We investigate the electromagnetic properties of stacked metamaterial layers composed of modified fishnet structures at around 40?GHz. The designed planar multilayer exhibits theoretically high transmission of -0.5?dB, low reflection, and a large negative index bandwidth with a record figure of merit higher than 36 at 38.5?GHz. Good agreement between simulation and measurement results is observed. We also verify experimentally the resolution of the negative index metamaterial stack and the focusing ability of the plano-concave lens configuration
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