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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2014-08-04
Microwave Tunable Metasurfaces Implemented with Ferroelectric Materials and Periodical Copper Wires
By
Li-Hao Yeh,

    Mr. Li-Hao Yeh

    Department of Electrical Engineering and Computer Science

    University of California, Berkeley

    United States

    Homepage

Jean-Fu Kiang

    Prof. Jean-Fu Kiang

    Department of Electrical Engineering

    National Taiwan University

    China

    Homepage

Progress In Electromagnetics Research M, Vol. 37, 191-202, 2014
doi:10.2528/PIERM14061606 | Google Scholar

Abstract
A tunable metasurface composed of multiple resonant units is proposed, with each unit containing a block of SrTiO3 ferroelectric and a periodical copper-wire structure. The local transmission coefficient of the metasurface is controlled by voltagetuning the permittivity of SrTiO3 in each resonant unit. The function of this tunable metasurface is demonstrated by simulating beam steering at the angles of 30˚ and 14.47˚, respectively; as well as beam focusing at the focal lengths of 2λ0 and 4λ0, respectively.
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Citation
Li-Hao Yeh, and Jean-Fu Kiang, "Microwave Tunable Metasurfaces Implemented with Ferroelectric Materials and Periodical Copper Wires," Progress In Electromagnetics Research M, Vol. 37, 191-202, 2014.
doi:10.2528/PIERM14061606
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