Broadband Metamaterial Reflectors for Polarization Manipulation Based on Cross/Ring Resonators

Z. Zhang, X. Cao, J. Gao, S. Li.

Broadband Metamaterial Reflectors for Polarization Manipulation Based on Cross/Ring Resonators

Číslo: 3/2016
Periodikum: Radioengineering Journal
DOI: 10.13164/re.2016.0436

Klíčová slova: Metamaterial reflector, polarization manipulation, multiple resonances, broadband, Metamateriální reflektor, manipulace s polarizací, více rezonancí, širokopásmové připojení

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Anotace: We presented the investigation of broadband metamaterial reflector for polarization manipulation based on cross/ring resonators. It is demonstrated that the meta¬material reflector can convert the linearly polarized inci¬dent wave to its cross polarized wave or circularly polar¬ized wave. Due to the multiple resonances at neighboring frequencies, the proposed reflector presents broadband property and high efficiency. The measured fraction band¬width of cross polarization conversion is 55.5% with effi¬ciency higher than 80%. Furthermore, a broadband circu¬lar polarizer is designed by adjusting the dimension para¬meters and the measured fraction bandwidth exceeds 30%.