Equivalent-Circuit Model for Meta-Atoms Consisting of Wired Metallic Spheres
Summary :
An equivalent-circuit model is an effective tool for the analysis and design of metamaterials. This paper describes a systematic and theoretical method for the circuit modeling of meta-atoms. We focus on the structures of wired metallic spheres and propose a method for deriving a sophisticated equivalent circuit that has the same topology as the wires using the partial element equivalent circuit (PEEC) method. Our model contains the effect of external electromagnetic coupling: excitation by an external field modeled by voltage sources and radiation modeled by the radiation resistances for each mode. The equivalent-circuit model provides the characteristics of meta-atoms such as the resonant frequencies and the resonant modes induced by the current distribution in the wires by an external excitation. Although the model is obtained by a very coarse discretization, it provides a good agreement with an electromagnetic simulation.
- Publication
- IEICE TRANSACTIONS on Electronics Vol.E100-C No.3 pp.305-312
- Publication Date
- 2017/03/01
- Publicized
- Online ISSN
- 1745-1353
- DOI
- 10.1587/transele.E100.C.305
- Type of Manuscript
- PAPER
- Category
- Microwaves, Millimeter-Waves
Authors
Takashi HISAKADO
Kyoto University
Keisuke YOSHIDA
Kyoto University
Tohlu MATSUSHIMA
Kyoto University
Osami WADA
Kyoto University
Keyword
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Takashi HISAKADO, Keisuke YOSHIDA, Tohlu MATSUSHIMA, Osami WADA, "Equivalent-Circuit Model for Meta-Atoms Consisting of Wired Metallic Spheres" in IEICE TRANSACTIONS on Electronics,
vol. E100-C, no. 3, pp. 305-312, March 2017, doi: 10.1587/transele.E100.C.305.
Abstract: An equivalent-circuit model is an effective tool for the analysis and design of metamaterials. This paper describes a systematic and theoretical method for the circuit modeling of meta-atoms. We focus on the structures of wired metallic spheres and propose a method for deriving a sophisticated equivalent circuit that has the same topology as the wires using the partial element equivalent circuit (PEEC) method. Our model contains the effect of external electromagnetic coupling: excitation by an external field modeled by voltage sources and radiation modeled by the radiation resistances for each mode. The equivalent-circuit model provides the characteristics of meta-atoms such as the resonant frequencies and the resonant modes induced by the current distribution in the wires by an external excitation. Although the model is obtained by a very coarse discretization, it provides a good agreement with an electromagnetic simulation.
URL: https://global.ieice.org/en_transactions/electronics/10.1587/transele.E100.C.305/_p
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@ARTICLE{e100-c_3_305,
author={Takashi HISAKADO, Keisuke YOSHIDA, Tohlu MATSUSHIMA, Osami WADA, },
journal={IEICE TRANSACTIONS on Electronics},
title={Equivalent-Circuit Model for Meta-Atoms Consisting of Wired Metallic Spheres},
year={2017},
volume={E100-C},
number={3},
pages={305-312},
abstract={An equivalent-circuit model is an effective tool for the analysis and design of metamaterials. This paper describes a systematic and theoretical method for the circuit modeling of meta-atoms. We focus on the structures of wired metallic spheres and propose a method for deriving a sophisticated equivalent circuit that has the same topology as the wires using the partial element equivalent circuit (PEEC) method. Our model contains the effect of external electromagnetic coupling: excitation by an external field modeled by voltage sources and radiation modeled by the radiation resistances for each mode. The equivalent-circuit model provides the characteristics of meta-atoms such as the resonant frequencies and the resonant modes induced by the current distribution in the wires by an external excitation. Although the model is obtained by a very coarse discretization, it provides a good agreement with an electromagnetic simulation.},
keywords={},
doi={10.1587/transele.E100.C.305},
ISSN={1745-1353},
month={March},}
Copy
TY - JOUR
TI - Equivalent-Circuit Model for Meta-Atoms Consisting of Wired Metallic Spheres
T2 - IEICE TRANSACTIONS on Electronics
SP - 305
EP - 312
AU - Takashi HISAKADO
AU - Keisuke YOSHIDA
AU - Tohlu MATSUSHIMA
AU - Osami WADA
PY - 2017
DO - 10.1587/transele.E100.C.305
JO - IEICE TRANSACTIONS on Electronics
SN - 1745-1353
VL - E100-C
IS - 3
JA - IEICE TRANSACTIONS on Electronics
Y1 - March 2017
AB - An equivalent-circuit model is an effective tool for the analysis and design of metamaterials. This paper describes a systematic and theoretical method for the circuit modeling of meta-atoms. We focus on the structures of wired metallic spheres and propose a method for deriving a sophisticated equivalent circuit that has the same topology as the wires using the partial element equivalent circuit (PEEC) method. Our model contains the effect of external electromagnetic coupling: excitation by an external field modeled by voltage sources and radiation modeled by the radiation resistances for each mode. The equivalent-circuit model provides the characteristics of meta-atoms such as the resonant frequencies and the resonant modes induced by the current distribution in the wires by an external excitation. Although the model is obtained by a very coarse discretization, it provides a good agreement with an electromagnetic simulation.
ER -
English
