Magnetically tunable left handed metamaterials by liquid crystal orientation

Fuli Zhang, Lei Kang, Qian Zhao, Ji Zhou, Xiaopeng Zhao, Didier Lippens

    Research output: Contribution to journalArticlepeer-review

    73 Scopus citations


    The tunability of an omega-type left handed metamaterial was demonstrated at microwave frequencies via the magnetic control of liquid crystal (LC) orientation. From the experimental and simulation results, it is shown that the left handed pass-band can be tuned by 220 MHz by changing the orientation of LC molecules by 90°. A maximum index variation of 0.25 was obtained in the negative index regime with a measured LC birefringence of 0.05 in the 10 - 12GHz frequency band.

    Original languageEnglish (US)
    Pages (from-to)4360-4366
    Number of pages7
    JournalOptics Express
    Issue number6
    StatePublished - Mar 16 2009

    All Science Journal Classification (ASJC) codes

    • Atomic and Molecular Physics, and Optics


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