Sensor and Methodology for Determining Dielectric Constant Using Electrically Coupled Resonators

被引：21

作者：

Herrera-Sepulveda, Lyda-Vanessa ^{[1
]}

Olvera-Cervantes, Jose-Luis ^{[1
]}

Corona-Chavez, Alonso ^{[1
]}

Kaur, Tejinder ^{[2
]}

机构：

[1] Inst Nacl Astrofis Opt & Elect INAOE Tonantzintla, Dept Elect, Puebla 72840, Mexico

[2] Univ Guanajuato, Guanajuato 36000, Mexico

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2019年 / 29卷 / 09期

关键词：

Coupled resonators; dielectric constant; microstrip; planar sensor; printed circuit board; sensors; RING-RESONATOR;

D O I：

10.1109/LMWC.2019.2928295

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：

In this letter, a new sensor, theory, methodology, and experimental results of dielectric constant characterization of several planar samples under test (SUT) are presented. Each SUT is placed over a microstrip sensor that is based on a pair of electrically coupled resonators (ECRs). The proposed method determines the dielectric constant by using the electric coupling coefficient (k(e)) of a pair of coupled half-wavelength open-loop resonators. The methodology was successfully tested over a wide dielectric constant value substrates at 2.5 GHz, with substrates Diclad 880, Rogers 5870, Rogers 4003C, TMM10i, and Rogers 6010 resulting in high-accuracy percentages of 99.22%, 99.21%, 99.56%, 97.68%, and 98.60%, respectively.

引用

页码：626 / 628

页数：3

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