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Proceedings Paper

Conductively coupled resonator scheme for dispersive transparency in metamaterials
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Paper Abstract

We present and demonstrate a new type of single resonator based planar metamaterial exhibiting electromagnetically induced transparency (EIT)-like transmission behavior. The novel design involves physically coupled split-ring resonator (SRR) and a dipolar ring as opposed to many inductively coupled resonators explored in the past. Both experiments and simulations reveal a dispersive transparency due to coupled resonances and the underlying mechanism. Further, the conductive and inductive coupling scenarios for this structure were compared where conductive coupling was found to coerce the direction of light induced currents and stronger in effect than inductive coupling. Resonance tuning is achieved by moving the bar coupling SRR and the ring. Hence, we show that conductive coupling has potential in tailoring coupled resonances of desired quality factor and fabricating metamaterials for enhanced sensing.

Paper Details

Date Published: 11 November 2014
PDF: 8 pages
Proc. SPIE 9275, Infrared, Millimeter-Wave, and Terahertz Technologies III, 92750A (11 November 2014); doi: 10.1117/12.2070847
Show Author Affiliations
Shuvan Prashant Turaga, National Univ. of Singapore (Singapore)
Jianfeng Wu, National Univ. of Singapore (Singapore)
Agnieszka Banas, National Univ. of Singapore (Singapore)
Krzysztof Banas, National Univ. of Singapore (Singapore)
Andrew A. Bettiol, National Univ. of Singapore (Singapore)

Published in SPIE Proceedings Vol. 9275:
Infrared, Millimeter-Wave, and Terahertz Technologies III
Cunlin Zhang; Xi-Cheng Zhang; Masahiko Tani, Editor(s)

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