Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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Department: search.filters.department.Izmir Institute of TechnologySubject: search.filters.subject.Anomalous reflection

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  • Article
    Citation - WoS: 4
    Citation - Scopus: 4
    Vo<sub>2</Sub>-based Dynamic Coding Metamaterials for Terahertz Wavefront Engineering
    (Springer, 2025) Akyurek, Bora; Noori, Aileen; Demirhan, Yasemin; Ozyuzer, Lutfi; Guven, Kaan; Altan, Hakan; Aygun, Gulnur
    Digital coding metasurfaces (DCMS) offer a promising alternative to conventional metasurface designs for achieving common functionalities by controlling the phase of reflected or transmitted electromagnetic waves. Their simple unit cell designs allow for scalability across the THz spectrum and facilitate large-area fabrication. The true potential of DCMS lies in dynamical coding, which enables real-time reconfigurability through a tuning and/or switching mechanism. In this study, metasurfaces that achieve 1-bit dynamic coding of unit cells via thermally induced metal-insulator transition of VO2 layers are designed and fabricated. We investigate experimentally the beam splitting functionality at certain frequencies in the 0.50-0.75 THz range reflected from the stripe- and checkerboard patterned metasurface samples, and demonstrate the switching of this functionality under thermal illumination.