Quatrefoil-loop metamaterial absorber with polarization-independent and wide angular stable response for dual-band explosive gas sensing

IF 6.9 3区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Science: Advanced Materials and Devices Pub Date : 2025-12-01 Epub Date: 2025-12-02 DOI:10.1016/j.jsamd.2025.101067

Nadia Reza , Mohammad Rashed Iqbal Faruque , K.S. Al-mugren

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引用次数: 0

Abstract

A quatrefoil-loop-shaped metamaterial is designed in this paper to detect explosive gases in the C and X bands. It achieves three resonance frequencies at 6.5 GHz, 7.58 GHz, and 8.7 GHz with absorption rates of 99.9 %, 93.2 %, and 96.5 %, respectively. The absorber shows the same absorption at different polarization angles from 0° to 90° in both transverse electric (TE) and transverse magnetic (TM) modes. The absorber can sense explosive gases such as propane and butane. The sensitivity of the propane and butane is 0.47 GHz/RIU and 0.5 GHz/RIU with a quality factor of 130 and 216, respectively. The Figure of Merit values are 10 for propane and 16.67 for butane. The sensing occurs based on the refractive index. The design is based on a cost-effective FR-4 (lossy) dielectric substrate. The unit cell dimensions are 8 × 8 × 1.6 mm³. Analysis of surface current, electric fields, and magnetic fields confirms strong resonance at each band. Additionally, the design's equivalent circuit is modeled and validated in Advanced Design System (ADS). The fabricated design is measured, and the measurement results agree well with the simulated response.

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双波段爆炸气体传感中具有偏振无关宽角稳定响应的四翼环超材料吸收体

本文设计了一种四翼环形超材料，用于探测C和X波段的爆炸性气体。实现了6.5 GHz、7.58 GHz和8.7 GHz三个谐振频率，吸收率分别为99.9%、93.2%和96.5%。在横向电（TE）和横向磁（TM）模式下，在0°~ 90°的不同极化角范围内，吸收体均具有相同的吸收特性。吸收器可以感应爆炸性气体，如丙烷和丁烷。丙烷和丁烷的灵敏度分别为0.47 GHz/RIU和0.5 GHz/RIU，质量因子分别为130和216。丙烷的优值为10，丁烷为16.67。感应是基于折射率进行的。该设计基于具有成本效益的FR-4（有损）介电基片。单胞尺寸为8 × 8 × 1.6 mm3。对表面电流、电场和磁场的分析证实了每个波段的强共振。此外，设计的等效电路在高级设计系统（ADS）中进行了建模和验证。对设计方案进行了测试，测试结果与仿真结果吻合较好。

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

Journal of Science: Advanced Materials and Devices Materials Science-Electronic, Optical and Magnetic Materials

CiteScore

11.90

自引率

2.50%

发文量

审稿时长

47 days

期刊介绍： In 1985, the Journal of Science was founded as a platform for publishing national and international research papers across various disciplines, including natural sciences, technology, social sciences, and humanities. Over the years, the journal has experienced remarkable growth in terms of quality, size, and scope. Today, it encompasses a diverse range of publications dedicated to academic research. Considering the rapid expansion of materials science, we are pleased to introduce the Journal of Science: Advanced Materials and Devices. This new addition to our journal series offers researchers an exciting opportunity to publish their work on all aspects of materials science and technology within the esteemed Journal of Science. With this development, we aim to revolutionize the way research in materials science is expressed and organized, further strengthening our commitment to promoting outstanding research across various scientific and technological fields.