Simplified Approach to Detect Dielectric Constant Using a Low-Cost Microfluidic Quarter Mode Substrate-Integrated Waveguide

Liquid materials’ characterization using commercial probes and radio frequency techniques is expensive and complex. This study proposes a compact and cost-effective radio frequency sensor system to measure the dielectric constant using a three-material calibration. The simplified approach measures r...
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Autor*in:	Ahmed Salim [verfasserIn] Muhammad Usman Memon [verfasserIn] Heijun Jeong [verfasserIn] Sungjoon Lim [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	substrate-integrated waveguide RF sensor chemical sensor dielectric constant detection calibration

Übergeordnetes Werk:	In: Sensors - MDPI AG, 2003, 20(2020), 17, p 4985
Übergeordnetes Werk:	volume:20 ; year:2020 ; number:17, p 4985

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/s20174985

Katalog-ID:	DOAJ030186374

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language	English
source	In Sensors 20(2020), 17, p 4985 volume:20 year:2020 number:17, p 4985
sourceStr	In Sensors 20(2020), 17, p 4985 volume:20 year:2020 number:17, p 4985
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	substrate-integrated waveguide RF sensor chemical sensor dielectric constant detection calibration Chemical technology
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authorswithroles_txt_mv	Ahmed Salim @@aut@@ Muhammad Usman Memon @@aut@@ Heijun Jeong @@aut@@ Sungjoon Lim @@aut@@
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callnumber-first	T - Technology
author	Ahmed Salim
spellingShingle	Ahmed Salim misc TP1-1185 misc substrate-integrated waveguide misc RF sensor misc chemical sensor misc dielectric constant detection misc calibration misc Chemical technology Simplified Approach to Detect Dielectric Constant Using a Low-Cost Microfluidic Quarter Mode Substrate-Integrated Waveguide
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topic_title	TP1-1185 Simplified Approach to Detect Dielectric Constant Using a Low-Cost Microfluidic Quarter Mode Substrate-Integrated Waveguide substrate-integrated waveguide RF sensor chemical sensor dielectric constant detection calibration
topic	misc TP1-1185 misc substrate-integrated waveguide misc RF sensor misc chemical sensor misc dielectric constant detection misc calibration misc Chemical technology
topic_unstemmed	misc TP1-1185 misc substrate-integrated waveguide misc RF sensor misc chemical sensor misc dielectric constant detection misc calibration misc Chemical technology
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title	Simplified Approach to Detect Dielectric Constant Using a Low-Cost Microfluidic Quarter Mode Substrate-Integrated Waveguide
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title_auth	Simplified Approach to Detect Dielectric Constant Using a Low-Cost Microfluidic Quarter Mode Substrate-Integrated Waveguide
abstract	Liquid materials’ characterization using commercial probes and radio frequency techniques is expensive and complex. This study proposes a compact and cost-effective radio frequency sensor system to measure the dielectric constant using a three-material calibration. The simplified approach measures reflection coefficient magnitudes for all four materials rather than the complex values in conventional permittivity detection systems. We employ a sensor module based on a circular substrate-integrated waveguide with measured unloaded quality factor = 910 to ensure measurement reliability. Miniaturized quarter-mode substrate-integrated waveguide resonators are integrated with four microfluidic channels containing three known materials and one unknown analyte. Step-wise measurement and linearity ensures maximum 4% error for the dielectric constant compared with results obtained using a high-performance commercial product.
abstractGer	Liquid materials’ characterization using commercial probes and radio frequency techniques is expensive and complex. This study proposes a compact and cost-effective radio frequency sensor system to measure the dielectric constant using a three-material calibration. The simplified approach measures reflection coefficient magnitudes for all four materials rather than the complex values in conventional permittivity detection systems. We employ a sensor module based on a circular substrate-integrated waveguide with measured unloaded quality factor = 910 to ensure measurement reliability. Miniaturized quarter-mode substrate-integrated waveguide resonators are integrated with four microfluidic channels containing three known materials and one unknown analyte. Step-wise measurement and linearity ensures maximum 4% error for the dielectric constant compared with results obtained using a high-performance commercial product.
abstract_unstemmed	Liquid materials’ characterization using commercial probes and radio frequency techniques is expensive and complex. This study proposes a compact and cost-effective radio frequency sensor system to measure the dielectric constant using a three-material calibration. The simplified approach measures reflection coefficient magnitudes for all four materials rather than the complex values in conventional permittivity detection systems. We employ a sensor module based on a circular substrate-integrated waveguide with measured unloaded quality factor = 910 to ensure measurement reliability. Miniaturized quarter-mode substrate-integrated waveguide resonators are integrated with four microfluidic channels containing three known materials and one unknown analyte. Step-wise measurement and linearity ensures maximum 4% error for the dielectric constant compared with results obtained using a high-performance commercial product.
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title_short	Simplified Approach to Detect Dielectric Constant Using a Low-Cost Microfluidic Quarter Mode Substrate-Integrated Waveguide
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Simplified Approach to Detect Dielectric Constant Using a Low-Cost Microfluidic Quarter Mode Substrate-Integrated Waveguide

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