Ferrite-based magnetically tunable left-handed metamaterial composed of SRRs and wires

Lei Kang, Qian Zhao, Hongjie Zhao, Ji Zhou

    Research output: Contribution to journalArticle

    36 Citations (Scopus)

    Abstract

    We experimentally demonstrate a magnetically tunable left-handed metamaterial by introducing yttrium iron garnet rods into SRRs/wires array. It shows that the left-handed passband of the metamaterial can be continuously and reversibly adjusted by external dc applied magnetic fields. Retrieved effective parameters based on simulated scattering parameters show that tunable effective refraction index can be conveniently realized in a broad frequency range by changing the applied magnetic field. Different from those tuned by controlling the capacitance of equivalent LC circuit of SRR, this metamaterial is based on a mechanism of magnetically tuning the inductance via the active ambient effective permeability.

    Original languageEnglish (US)
    Pages (from-to)17269-17275
    Number of pages7
    JournalOptics Express
    Volume16
    Issue number22
    DOIs
    StatePublished - Oct 27 2008

    Fingerprint

    ferrites
    wire
    LC circuits
    yttrium-iron garnet
    equivalent circuits
    magnetic fields
    inductance
    refraction
    permeability
    rods
    frequency ranges
    capacitance
    tuning
    scattering

    All Science Journal Classification (ASJC) codes

    • Atomic and Molecular Physics, and Optics

    Cite this

    Kang, Lei ; Zhao, Qian ; Zhao, Hongjie ; Zhou, Ji. / Ferrite-based magnetically tunable left-handed metamaterial composed of SRRs and wires. In: Optics Express. 2008 ; Vol. 16, No. 22. pp. 17269-17275.
    @article{7fec6c0e8f9f45d88674111d7fc8a9dd,
    title = "Ferrite-based magnetically tunable left-handed metamaterial composed of SRRs and wires",
    abstract = "We experimentally demonstrate a magnetically tunable left-handed metamaterial by introducing yttrium iron garnet rods into SRRs/wires array. It shows that the left-handed passband of the metamaterial can be continuously and reversibly adjusted by external dc applied magnetic fields. Retrieved effective parameters based on simulated scattering parameters show that tunable effective refraction index can be conveniently realized in a broad frequency range by changing the applied magnetic field. Different from those tuned by controlling the capacitance of equivalent LC circuit of SRR, this metamaterial is based on a mechanism of magnetically tuning the inductance via the active ambient effective permeability.",
    author = "Lei Kang and Qian Zhao and Hongjie Zhao and Ji Zhou",
    year = "2008",
    month = "10",
    day = "27",
    doi = "10.1364/OE.16.017269",
    language = "English (US)",
    volume = "16",
    pages = "17269--17275",
    journal = "Optics Express",
    issn = "1094-4087",
    publisher = "The Optical Society",
    number = "22",

    }

    Ferrite-based magnetically tunable left-handed metamaterial composed of SRRs and wires. / Kang, Lei; Zhao, Qian; Zhao, Hongjie; Zhou, Ji.

    In: Optics Express, Vol. 16, No. 22, 27.10.2008, p. 17269-17275.

    Research output: Contribution to journalArticle

    TY - JOUR

    T1 - Ferrite-based magnetically tunable left-handed metamaterial composed of SRRs and wires

    AU - Kang, Lei

    AU - Zhao, Qian

    AU - Zhao, Hongjie

    AU - Zhou, Ji

    PY - 2008/10/27

    Y1 - 2008/10/27

    N2 - We experimentally demonstrate a magnetically tunable left-handed metamaterial by introducing yttrium iron garnet rods into SRRs/wires array. It shows that the left-handed passband of the metamaterial can be continuously and reversibly adjusted by external dc applied magnetic fields. Retrieved effective parameters based on simulated scattering parameters show that tunable effective refraction index can be conveniently realized in a broad frequency range by changing the applied magnetic field. Different from those tuned by controlling the capacitance of equivalent LC circuit of SRR, this metamaterial is based on a mechanism of magnetically tuning the inductance via the active ambient effective permeability.

    AB - We experimentally demonstrate a magnetically tunable left-handed metamaterial by introducing yttrium iron garnet rods into SRRs/wires array. It shows that the left-handed passband of the metamaterial can be continuously and reversibly adjusted by external dc applied magnetic fields. Retrieved effective parameters based on simulated scattering parameters show that tunable effective refraction index can be conveniently realized in a broad frequency range by changing the applied magnetic field. Different from those tuned by controlling the capacitance of equivalent LC circuit of SRR, this metamaterial is based on a mechanism of magnetically tuning the inductance via the active ambient effective permeability.

    UR - http://www.scopus.com/inward/record.url?scp=55549102346&partnerID=8YFLogxK

    UR - http://www.scopus.com/inward/citedby.url?scp=55549102346&partnerID=8YFLogxK

    U2 - 10.1364/OE.16.017269

    DO - 10.1364/OE.16.017269

    M3 - Article

    VL - 16

    SP - 17269

    EP - 17275

    JO - Optics Express

    JF - Optics Express

    SN - 1094-4087

    IS - 22

    ER -