Design of Ultra-Broadband Metamaterial Absorber from Visible to Infrared Region

被引：3

作者：

Li, Xiu ^{[1
]}

Chen, Xiao-Man ^{[2
]}

Wu, Shen-Bing ^{[2
]}

Wang, Yang ^{[2
]}

机构：

[1] Huainan Normal Univ, Sch Econ & Management, Huainan 232000, Peoples R China

[2] Huainan Normal Univ, Sch Elect Engn, Huainan 232000, Peoples R China

来源：

PLASMONICS | 2025年 / 20卷 / 01期

关键词：

Metamaterial; Absorber; Broadband; Absorption; SOLAR-ABSORBER; TIN METAMATERIAL; NEAR-UNITY;

D O I：

10.1007/s11468-024-02245-0

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We have developed an ultra-broadband metamaterial absorber (UBMA) based on impedance matching. The absorber of the UBMA has an absorption of more than 90% in the wavelength range of 300-4000 nm (absorption bandwidth of 3700 nm), which can cover the visible and infrared regions. When the absorption is greater than 95%, the absorption bandwidth of the UBMA can reach 3440 nm. The designed UMBA has polarization-insensitive and wide-angle absorption characteristics, and the average absorption of the transverse magnetic (TM) and transverse electric (TE) modes at 60 degrees oblique incidence are 94.7% and 86.8%, respectively. The physical mechanism suggests that surface plasmon resonance, localized surface plasmon resonance, and cavity resonance interactions jointly dominate the broadband and high absorption characteristics. The ultra-broadband and high absorption absorber we have designed have potential applications in energy harvesting, thermoelectric applications, and detection.

引用

页码：119 / 127

页数：9

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