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首页> 外文期刊>IEEE sensors journal >Submersible Printed Split-Ring Resonator-Based Sensor for Thin-Film Detection and Permittivity Characterization
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Submersible Printed Split-Ring Resonator-Based Sensor for Thin-Film Detection and Permittivity Characterization

机译：基于潜水印刷环的基于谐振器的传感器，用于薄膜检测和介电常数表征

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摘要

A split-ring resonator (SRR)-based sensor for the detection of solid thickness and relative permittivity characterization of solid and liquid materials is proposed. The structure is composed of two SRRs hosted in a microstrip transmission line. The sensing principle is based on the detection of the notch introduced by the resonators in the transmission coefficient. Hence, a frequency shift of the notch is related to a change in the effective permittivity of the structure when the sensor is covered with any solid or liquid material. A complete characterization of the sensor, for the three proposed applications, is performed through simulations. Finally, all simulated results are corroborated with measurements. The proposed sensor is implemented in single-layer printed technology, resulting in a low-cost and low-complexity solution. It presents real-time response and high sensitivity. Moreover, it is fully submersible and reusable.
机译：提出了一种基于开环谐振器（SRR）的传感器，用于检测固体和液体材料的固体厚度和相对介电常数。该结构由微带传输线中的两个SRR组成。感测原理基于对谐振器在传输系数中引入的陷波的检测。因此，当传感器被任何固体或液体材料覆盖时，凹口的频率偏移与结构的有效介电常数的变化有关。对于这三个拟议的应用，通过模拟对传感器进行了完整的表征。最后，所有模拟结果均与测量结果相符。所提出的传感器以单层印刷技术实现，从而提供了一种低成本，低复杂度的解决方案。它呈现实时响应和高灵敏度。而且，它是完全可潜水和可重复使用的。

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