Journal
OPTICS EXPRESS
Volume 18, Issue 17, Pages 17997-18002Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.18.017997
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Funding
- Air Force Research Laboratory
- Air Force Summer Faculty
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We investigate the electromagnetic response of the concentric multi-ring, or the bull's eye, structure as an extension of the dual-ring metamaterial which exhibits electromagnetically-induced transparency (EIT)-like transmission characteristics. Our results show that adding inner rings produces additional EIT-like peaks, and widens the metamaterial's spectral range of operation. Analyses of the dispersion characteristics and induced current distribution further confirmed the peak's EIT-like nature. Impacts of structural and dielectric parameters are also investigated. (C) 2010 Optical Society of America
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