由楼梯状的超材料吸收器封闭的方形隔板，用于油感测应用

IF 4.9 Q1 CHEMISTRY, ANALYTICAL

Sensing and Bio-Sensing Research Pub Date : 2025-09-02 DOI:10.1016/j.sbsr.2025.100874

Md. Ismail Hossen , Saif Hannan , Heba G. Mohamed , Abdulwadoud A. Maash , Mohamad A. Alawad , Mohammad Tariqul Islam

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引用次数: 0

摘要

本文设计了一种阶梯状微波超材料传感器，用于S和C频段的精确油液检测。该传感器具有很高的吸收率，在3.6 GHz和5 GHz波段的吸收率分别达到99.91%和99.74%，即使入射波角度变化高达180°，也能保持稳定的性能。它结构紧凑，单胞尺寸仅为0.144λ × 0.144λ，有效介质比（EMR）高达6.94。该传感器还具有独特的电磁特性，如接近零的介电常数、磁导率和折射率，以及单负性能。在ADS软件中设计了等效RLC电路，对其射频特性进行了验证，结果与仿真结果吻合较好。该传感器的灵敏度为2.59，品质因数为26.604，品质因数为43.19，证明了其准确性和可靠性。由于其低成本，高灵敏度和广泛的可用性，该传感器是液体检测，油传感和微流体传感等应用的有力候选者。

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Square split enclosed by staircase-shaped metamaterial absorber for oil sensing applications

This paper presents a staircase-shaped microwave metamaterial sensor designed for accurate oil detection in the S and C frequency bands. The sensor shows very high absorption, reaching 99.91 % at 3.6 GHz and 99.74 % at 5 GHz, and maintains stable performance even when the incident wave angle changes up to 180°. It is compact, with a unit cell size of only 0.144λ × 0.144λ, and has a high effective medium ratio (EMR) of 6.94. The sensor also demonstrates unique electromagnetic properties such as near-zero permittivity, permeability, and refractive index, along with single-negative behavior. An equivalent RLC circuit was developed in ADS software to verify its radio-frequency characteristics, and the results matched well with simulations. The sensor achieved a sensitivity of 2.59, a quality factor of 26.604, and a figure of merit of 43.19, proving its accuracy and reliability. Thanks to its low cost, high sensitivity, and wide usability, this sensor is a strong candidate for applications such as liquid detection, oil sensing, and microfluidic sensing.

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来源期刊

Sensing and Bio-Sensing Research Engineering-Electrical and Electronic Engineering

CiteScore

10.70

自引率

3.80%

发文量

审稿时长

87 days

期刊介绍： Sensing and Bio-Sensing Research is an open access journal dedicated to the research, design, development, and application of bio-sensing and sensing technologies. The editors will accept research papers, reviews, field trials, and validation studies that are of significant relevance. These submissions should describe new concepts, enhance understanding of the field, or offer insights into the practical application, manufacturing, and commercialization of bio-sensing and sensing technologies. The journal covers a wide range of topics, including sensing principles and mechanisms, new materials development for transducers and recognition components, fabrication technology, and various types of sensors such as optical, electrochemical, mass-sensitive, gas, biosensors, and more. It also includes environmental, process control, and biomedical applications, signal processing, chemometrics, optoelectronic, mechanical, thermal, and magnetic sensors, as well as interface electronics. Additionally, it covers sensor systems and applications, µTAS (Micro Total Analysis Systems), development of solid-state devices for transducing physical signals, and analytical devices incorporating biological materials.