Gas Sensor Platform with Ring Resonator

被引：0

作者：

Lim, Sungmook ^{[1
]}

Hong, Songcheol ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Elect Engn, 291 Daehak Ro, Daejeon 305338, South Korea

来源：

2017 IEEE ASIA PACIFIC MICROWAVE CONFERENCE (APMC) | 2017年

基金：

新加坡国家研究基金会;

关键词：

ring resonator; gas sensor; hunzidity; CO2; permittivity measurement;

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：

A ring resonator sensor platform to measure humidity and CO2 gas concentrations is presented which operates at 10GHz. The magnitude and frequency of the resonance are very sensitive to surrounding materials. The sensor can measure humidity and CO2 gas concentrations by placing proper adsorption materials on the resonator. The sensor consists of an adsorption materials, coplanar waveguide (CPW) transmission lines and a ring resonator fabricated on PCB (TLY-5A). A specific adsorption paper is attached to the ring resonator for detecting a specific gas. We use a COCl2 based paper for sensing humidity and a dichlorophenolindophenol (DIP) based paper for sensing carbon-dioxide (CO2) gas. The concentrations are found by analyzing variations of the resonance peak frequency and magnitude.

引用

页码：662 / 665

页数：4

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