高传感性能的多波段太赫兹超材料吸收器
High-Sensitivity Multi-Band Terahertz Metamaterial Absorber
DOI: 10.12677/app.2025.1512083, PDF,    科研立项经费支持
作者: 娄方勇*, 杨欢欢, 梁 鑫, 向 位：凯里学院微电子与人工智能学院，微纳与智能制造教育部工程研究中心，贵州 凯里
关键词: 超材料；多波段；等离激元；太赫兹；FOM；Metamaterial； Multi-Band； Plasmons； Terahertz； FOM
摘要: 在一个金属矩形结构中通过采取诱发其基模共振和多个高阶等离激元共振模式，从而实现三波段完美吸收，而当扩宽光源时，实现了四波段吸收，使得该多波段超材料吸收器在三波段和四波段吸收可以轻易实现，首先利用激发多个高阶共振吸收，使得该吸收器在宽带范围内实现多个频段的共振吸收。其次阐述了各个频率吸收峰的吸收机理，以及高阶振动来源。最后通过改变环境因素分析其传感性能，结果显示，对于所设计的多波段超材料吸收器具有高品质因数(FOM)。该多波段超材料吸收器在传感、太阳能电池、成像、探测等领域有着潜在的应用。
Abstract: In a metal rectangular structure, perfect three-band absorption is achieved by inducing its fundamental mode resonance and multiple high-order plasmon resonance modes. When the light source is broadened, four-band absorption is realized, making it easy for this multi-band metamaterial absorber to achieve three-band and four-band absorption. By stimulating multiple high-order resonance absorption, this enables the absorber to achieve resonant absorption in multiple frequency bands within the broadband range. Secondly, the absorption mechanisms of each frequency absorption peak and the sources of high-order vibrations were expounded. Finally, the sensing performance was analyzed by changing the environmental factors. The results show that the designed multi-band metamaterial absorber has a high quality factor (FOM). This multi-band metamaterial absorber has potential applications in fields such as sensing, solar cells, imaging, and detection.
文章引用：娄方勇, 杨欢欢, 梁鑫, 向位. 高传感性能的多波段太赫兹超材料吸收器[J]. 应用物理, 2025, 15(12): 795-803. https://doi.org/10.12677/app.2025.1512083

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