Wide-angle and polarization-insensitive perfect metamaterial absorber

IF 1.8 4区物理与天体物理 Q3 PHYSICS, APPLIED

Modern Physics Letters B Pub Date : 2023-11-30 DOI:10.1142/s0217984924501057

Raj Kumar, Hemant Kumar, U. Ramani, Sanket Kumar, Bipin K. Singh, P. P. Singh, P. C. Pandey

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引用次数: 0

Abstract

We propose a cross-shaped resonator design of a metamaterial (MTM) absorber that shows a 98% average absorbance in the range of 400–1100[Formula: see text]nm. This design consists of three layers: a tungsten-based cross-shaped on the top, silicon dioxide (SiO2) in the middle layer, and a tungsten layer at the bottom. The finite integration technique (FIT) method is used to simulate the metamaterial absorber’s performance. We have observed the absorber’s performance on the different thicknesses of a dielectric layer. We have presented the absorption spectrum for transverse electric (TE) and transverse magnetic (TM) modes for different polarization angles (0°–90°) and incident angles (0°–60°). Additionally, we have investigated the short-circuit current density for different dielectric layer thicknesses and different incidence angles. This is theoretically analogous to parametric studies. The universal AM 1.5 solar spectrum properties have been used to investigate the feasibility of the proposed MTM absorber as a solar cell. The proposed MTM has many potential uses, including for solar cells.

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广角和偏振不敏感的完美超材料吸收器

我们提出了一种十字形谐振器设计的超材料（MTM）吸收器，在 400-1100 [公式：见正文]纳米范围内显示出 98% 的平均吸收率。这种设计由三层组成：顶部是钨基十字形，中间层是二氧化硅（SiO2），底部是钨层。我们采用有限积分技术（FIT）方法来模拟超材料吸收器的性能。我们观察了吸收器在不同厚度介电层上的性能。我们展示了不同极化角（0°-90°）和入射角（0°-60°）下横向电（TE）和横向磁（TM）模式的吸收光谱。此外，我们还研究了不同介质层厚度和不同入射角的短路电流密度。这在理论上类似于参数研究。我们利用通用 AM 1.5 太阳光谱特性来研究拟议的 MTM 吸收器作为太阳能电池的可行性。拟议的 MTM 有许多潜在用途，包括太阳能电池。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Modern Physics Letters B 物理-物理：凝聚态物理

CiteScore

3.70

自引率

10.50%

发文量

235

审稿时长

5.9 months

期刊介绍： MPLB opens a channel for the fast circulation of important and useful research findings in Condensed Matter Physics, Statistical Physics, as well as Atomic, Molecular and Optical Physics. A strong emphasis is placed on topics of current interest, such as cold atoms and molecules, new topological materials and phases, and novel low-dimensional materials. The journal also contains a Brief Reviews section with the purpose of publishing short reports on the latest experimental findings and urgent new theoretical developments.