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    Broadband and Tunable-Focus Flat Lens with Dielectric Metasurface

    Metasurface-based flat lens have great potentials for applications in compact and portable cameras. However, the properties of optical metasurfaces are strongly limited by the intrinsic ohmic loss of metal and...

    Jianwen Zhong, Ning An, Ningbo Yi, Maoxia Zhu, Qinghai Song, Shumin **ao in Plasmonics (2016)