Yan Chang-Chun et al 2008 Chinese Phys. Lett. 25 482 doi:10.1088/0256-307X/25/2/036
Yan Chang-Chun1,2, Cui Yi-Ping1, Wang Qiong1 and Zhuo Shing-Chuang1
Show affiliationsA symmetrical π-shaped metamaterial is investigated. Numerical simulations exhibit the negative-refractive property of this structure. The complex refractive index n, wave impedance z, effective permittivity
and effective permeability μ have been retrieved from the simulated S parameters. The negative-refractive band lies between 11.2GHz and 13.05GHz. The frequency band with high transmission with low loss occurs between 11.95GHz and 12.5 GHz, which is helpful for practical applications. The mechanism of the electromagnetic resonance is also revealed.
Issue 2 (February 2008)
Received 9 November 2007
Yan Chang-Chun et al 2008 Chinese Phys. Lett. 25 482
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