A bifunctional tunable terahertz absorber based on a Fabry–Perot cavity: enabling broadband perfect absorption and refractive index sensing

作者：Jiaran Xiong, Chao Li, Dong Wang, Song Gao, Yue Che, Guozheng Wu, Mingyuan Guo · 发表于：Journal of Materials Chemistry C · 年份：2025 · DOI：10.1039/d4tc04845h · 被引用次数：22 · 研究领域：Metamaterials and Metasurfaces Applications、Advanced Antenna and Metasurface Technologies、Antenna Design and Analysis

A THz metamaterial absorber can realize broadband perfect absorption ( A > 99%, B = 3.14 THz) and RI sensing.