Tunable broadband terahertz absorber using a single-layer square graphene patch with fourfold rotationally symmetric groove

作者：Dan Hu, Tianhua Meng, Hongyan Wang, Xiwei Zhang, Zhenjie Tang, Zhi Wei Wang, Qiaofen Zhu · 发表于：Optical Materials · 年份：2020 · DOI：10.1016/j.optmat.2020.110235 · 被引用次数：19 · 研究领域：Metamaterials and Metasurfaces Applications、Advanced Antenna and Metasurface Technologies、Plasmonic and Surface Plasmon Research