DIELECTRIC ANALYSIS OF LIQUID SOLVENTS USING MICROWAVE RESONATOR SENSOR FOR HIGH EFFICIENCY MEASUREMENT

被引：18
作者：
Bahar, Amyrul Azuan Mohd [1 ]
Zakaria, Z. [1 ]
Ab Rashid, S. R. [1 ]
Isa, A. A. M. [1 ]
Alahnomi, Rammah A. [1 ]
机构：
[1] Univ Tekn Malaysia Melaka UTeM, Ctr Telecommun Res & Innovat CeTRI, Durian Tunggal 76100, Melaka, Malaysia
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2017年 / 59卷 / 02期
关键词：
accuracy; complex permittivity; microwave; quality factor; resonator sensor; split ring resonator; SPLIT-RING-RESONATOR; PERMITTIVITY;
D O I：
10.1002/mop.30315
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 microwave ring resonator sensor has been practically applied as a micro-volume sensor dedicated to solvent characterization with perspectives for chemical substances. The tested microliter range liquid solution is placed on capillary glass which is a compatible medium for planar sensor integration. The electrical response between electric field and solvent is converted into a predictable relationship between dielectric properties and the relative permittivity of the solution. A compact split ring resonator has been fabricated and tested with several common solvents on trace amount of volume. The result achieved recorded a very high Q factor of 525 making it practically suitable for beverages industry application. Good agreement has been achieved between the theoretical, simulation, and parameters measurement where the measurement errors of the complex permittivity is less than 0.5%, validating the concept of the accurate characterization theory using planar sensor. (C) 2016 Wiley Periodicals, Inc.
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页码：367 / 371
页数：6
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