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Proceedings Paper

Toroidal and magnetic spectral responses of four split-ring resonators
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Paper Abstract

The toroidal as well as magnetic spectral responses at optical frequencies by integrating four gold U-shaped split-ring resonators (SRRs) are numerically studied. We study two kinds of toroidal structures; the first one is consisted of four-up U-shaped SRRs. The second kind, two of the four U-shaped SRRs is reversed showing two-up-two-down configuration. By reversing two SRRs of toroidal structure, their toroidal resonance and magnetic resonance are also reversed between higher and lower ones. The optical properties of toroidal resonance are also investigated in this paper.

Paper Details

Date Published: 9 September 2011
PDF: 6 pages
Proc. SPIE 8093, Metamaterials: Fundamentals and Applications IV, 809328 (9 September 2011); doi: 10.1117/12.892396
Show Author Affiliations
Yao-Wei Huang, National Taiwan Univ. (Taiwan)
Wei Ting Chen, National Taiwan Univ. (Taiwan)
Pin Chieh Wu, National Taiwan Univ. (Taiwan)
Yuan-Fong Chau, Ching Yun Univ. (Taiwan)
Nikolay I. Zheludev, Univ. of Southampton (United Kingdom)
Din Ping Tsai, National Taiwan Univ. (Taiwan)
Instrument Technology Research Ctr. (Taiwan)
Research Ctr. for Applied Sciences (Taiwan)

Published in SPIE Proceedings Vol. 8093:
Metamaterials: Fundamentals and Applications IV
Allan D. Boardman; Nader Engheta; Mikhail A. Noginov; Nikolay I. Zheludev, Editor(s)

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