Frequency dependence of the magnetic response of split-ring resonators

Atsushi Ishikawa, Takuo Tanaka, Satoshi Kawata

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

The design principle of split-ring resonators (SRRs) for realizing negative magnetic metamaterial is proposed through theoretical investigation of magnetic properties of SRRs from terahertz (THz) to the visible light region. To describe the frequency dispersion of metal throughout the frequency range, we consider the exact expression of the internal impedance formula. Our results indicate that the design principle should be changed completely at the transition frequency of 100 THz. Below 100 THz, since the resistance of the SRRs determines the magnetic responses, low-resistance structures are essential. On the other hand, we should design the SRRs'structures maintaining large geometrical inductance above the 100 THz region, because the decrease of the geometrical inductance dominantly reduces the magnetic responses.

Original languageEnglish
Pages (from-to)510-515
Number of pages6
JournalJournal of the Optical Society of America B: Optical Physics
Volume24
Issue number3
DOIs
Publication statusPublished - 2007
Externally publishedYes

Fingerprint

resonators
rings
inductance
low resistance
frequency ranges
impedance
magnetic properties
metals

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Frequency dependence of the magnetic response of split-ring resonators. / Ishikawa, Atsushi; Tanaka, Takuo; Kawata, Satoshi.

In: Journal of the Optical Society of America B: Optical Physics, Vol. 24, No. 3, 2007, p. 510-515.

Research output: Contribution to journalArticle

Ishikawa, Atsushi ; Tanaka, Takuo ; Kawata, Satoshi. / Frequency dependence of the magnetic response of split-ring resonators. In: Journal of the Optical Society of America B: Optical Physics. 2007 ; Vol. 24, No. 3. pp. 510-515.
@article{a68ebbcc110b4fbe9323f0de300bcc3b,
title = "Frequency dependence of the magnetic response of split-ring resonators",
abstract = "The design principle of split-ring resonators (SRRs) for realizing negative magnetic metamaterial is proposed through theoretical investigation of magnetic properties of SRRs from terahertz (THz) to the visible light region. To describe the frequency dispersion of metal throughout the frequency range, we consider the exact expression of the internal impedance formula. Our results indicate that the design principle should be changed completely at the transition frequency of 100 THz. Below 100 THz, since the resistance of the SRRs determines the magnetic responses, low-resistance structures are essential. On the other hand, we should design the SRRs'structures maintaining large geometrical inductance above the 100 THz region, because the decrease of the geometrical inductance dominantly reduces the magnetic responses.",
author = "Atsushi Ishikawa and Takuo Tanaka and Satoshi Kawata",
year = "2007",
doi = "10.1364/JOSAB.24.000510",
language = "English",
volume = "24",
pages = "510--515",
journal = "Journal of the Optical Society of America B: Optical Physics",
issn = "0740-3224",
publisher = "The Optical Society",
number = "3",

}

TY - JOUR

T1 - Frequency dependence of the magnetic response of split-ring resonators

AU - Ishikawa, Atsushi

AU - Tanaka, Takuo

AU - Kawata, Satoshi

PY - 2007

Y1 - 2007

N2 - The design principle of split-ring resonators (SRRs) for realizing negative magnetic metamaterial is proposed through theoretical investigation of magnetic properties of SRRs from terahertz (THz) to the visible light region. To describe the frequency dispersion of metal throughout the frequency range, we consider the exact expression of the internal impedance formula. Our results indicate that the design principle should be changed completely at the transition frequency of 100 THz. Below 100 THz, since the resistance of the SRRs determines the magnetic responses, low-resistance structures are essential. On the other hand, we should design the SRRs'structures maintaining large geometrical inductance above the 100 THz region, because the decrease of the geometrical inductance dominantly reduces the magnetic responses.

AB - The design principle of split-ring resonators (SRRs) for realizing negative magnetic metamaterial is proposed through theoretical investigation of magnetic properties of SRRs from terahertz (THz) to the visible light region. To describe the frequency dispersion of metal throughout the frequency range, we consider the exact expression of the internal impedance formula. Our results indicate that the design principle should be changed completely at the transition frequency of 100 THz. Below 100 THz, since the resistance of the SRRs determines the magnetic responses, low-resistance structures are essential. On the other hand, we should design the SRRs'structures maintaining large geometrical inductance above the 100 THz region, because the decrease of the geometrical inductance dominantly reduces the magnetic responses.

UR - http://www.scopus.com/inward/record.url?scp=34047130757&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=34047130757&partnerID=8YFLogxK

U2 - 10.1364/JOSAB.24.000510

DO - 10.1364/JOSAB.24.000510

M3 - Article

AN - SCOPUS:34047130757

VL - 24

SP - 510

EP - 515

JO - Journal of the Optical Society of America B: Optical Physics

JF - Journal of the Optical Society of America B: Optical Physics

SN - 0740-3224

IS - 3

ER -