Quasi-Lumped Coplanar Transmission-Line Sensors for Broadband Liquid Characterization

被引：0

作者：

Meyne, Nora ^{[1
]}

Mueller-Wichards, Wiebke ^{[2
]}

Hoc Khiem Trieu ^{[2
]}

Jacob, Arne F. ^{[1
]}

机构：

[1] Tech Univ Hamburg, Inst Hochfrequenztech, Hamburg, Germany

[2] Tech Univ Hamburg, Inst Mikrosystemtech, Hamburg, Germany

来源：

2014 44TH EUROPEAN MICROWAVE CONFERENCE (EUMC) | 2014年

关键词：

Microwave sensors; biosensors; microsensors; PERMITTIVITY; MICROWAVE;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Quasi-lumped structures are used to develop two sensors based on coplanar waveguide transmission lines. The broadband sensors are fabricated using microsystems technology and are used between 1 and 35 GHz. A calibration method to determine the sample permittivity is adapted. The sensors are intended for the non-invasive characterization of biological cells. Saline solutions, water, and an ethanol-water mixture are used to experimentally verify the functionality of the sensors for this purpose. The simulated sensitivity of a quasi-lumped sensor is shown to be up to seven times higher than that of a conventional coplanar waveguide sensor. This hints at the miniaturization potential of these sensors.

引用

页码：687 / 690

页数：4

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