Metamaterial inspired miniaturized SIW resonator for sensor applications

Yan, Sen; Bao, Juncheng; Ocket, Ilja; Nauwelaers, Bart; Vandenbosch, Guy A. E.

doi:10.1016/j.sna.2018.10.013

Cited by 16 publications

(7 citation statements)

References 14 publications

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“…A broadband spectroscopy technique based on on-wafer coplanar waveguide (CPW) topology has been developed and applied to characterize nL volume samples of deionized (DI) water [5][6][7], human umbilical vein endothelial cells (HUVECs) [8], and a single biological cell [9]. Planar [10,11] and substrate-integrated waveguide (SIW) cavity resonators [12] were developed to sense mixtures of DI water and isopropanol (IPA) with different volume fractions. Moreover, microwave heaters in microfluidics enabled localized, selective, and efficient heating of droplets in continuous and digital microfluidics platforms [13][14][15].…”

Section: Introductionmentioning

confidence: 99%

“…This interfacing of high-frequency signals to the lab-on-chip systems is usually done in two ways. One of them is based on probes [5,7] while the other is based on connectors [12,15]. The probe-based approach can provide precise and highly repeatable contacting between the probes and microwave circuits on a chip with miniaturized contacting pads.…”

Section: Introductionmentioning

confidence: 99%

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A Microwave Platform for Reliable and Instant Interconnecting Combined with Microwave-Microfluidic Interdigital Capacitor Chips for Sensing Applications

Bao

Maenhout

Markovic

et al. 2020

Sensors

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This work presents a novel platform conceived as an interconnect box (ICB) that brings high-frequency signals from microwave instruments to consumable lab-on-a-chip devices. The ICB can be connected to instruments with a standard coaxial connector and to consumable chips by introducing a spring-levered interface with elastomer conductive pins. With the spring-system, microwave-microfluidic chips can be mounted reliably on the setup in a couple of seconds. The high-frequency interface within the ICB is protected from the environment by an enclosure having a single slit for mounting the chip. The stability and repeatability of the contact between the ICB and inserted consumable chips are investigated to prove the reliability of the proposed ICB. Given the rapid interconnecting of chips using the proposed ICB, five different interdigital capacitor (IDC) designs having the same sensing area were investigated for dielectric permittivity extraction of liquids. The designed IDCs, embedded in a polydimethylsiloxane (PDMS) channel, were fabricated with a lift-off gold patterning technology on a quartz substrate. Water-Isopropanol (IPA) mixtures with different volume fractions were flushed through the channel over IDCs and sensed based on the measured reflection coefficients. Dielectric permittivity was extracted using permittivity extraction techniques, and fitted permittivity data shows good agreement with literature from 100 to 25 GHz.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A Microwave Platform for Reliable and Instant Interconnecting Combined with Microwave-Microfluidic Interdigital Capacitor Chips for Sensing Applications

Bao

Maenhout

Markovic

et al. 2020

Sensors

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“…Microwave technology is a powerful tool for biomedical application that enables label-free sensing and broadband spectroscopy for cells, tissues, and proteins [10]. In recent years, a new subdomain called microwave-micofluidics has gained popularity, which integrates microwave circuits and microfluidic channels to provide a new superior tool for biomedical applications, including nanoliter bioliquid broadband spectroscopy [10,11], single cell broadband spectroscopy [12,13], liquid mixture sensing [14,15], flow cytometry [16], and microwave heating for continuous [17,18] and digital [19,20] microfluidic applications, such as microchip-based polymerase chain reaction (PCR) [21]. Polydimethylsiloxane (PDMS)-based microfluidic devices have broad applications in biological studies, because of its low cost, non-toxicity to cells, permeability to gases [22], and chemical compatibility with various of solvents solvents [23].…”

Section: Introductionmentioning

confidence: 99%

Novel Fabrication Process for Integration of Microwave Sensors in Microfluidic Channels

et al. 2020

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This paper presents a novel fabrication process that allows integration of polydimethylsiloxane (PDMS)-based microfluidic channels and metal electrodes on a wafer with a micrometer-range alignment accuracy. This high level of alignment accuracy enables integration of microwave and microfluidic technologies, and furthermore accurate microwave dielectric characterization of biological liquids and chemical compounds on a nanoliter scale. The microfluidic interface between the pump feed lines and the fluidic channels was obtained using magnets fluidic connection. The tube-channel interference and the fluidic channel-wafer adhesion was evaluated, and up to a pressure of 700 mBar no leakage was observed. The developed manufacturing process was tested on a design of a microwave-microfluidic capacitive sensor. An interdigital capacitor (IDC) and a microfluidic channel were manufactured with an alignment accuracy of 2.5 µm. The manufactured IDC sensor was used to demonstrate microwave dielectric sensing on deionized water and saline solutions with concentrations of 0.1, 0.5, 1, and 2.5 M. Author Contributions: Conceptualization, J.B. and T.M.; methodology, J.B., L.B., and D.K. ; validation, J.B. and T.M.; data curation, J.B.; writing-original draft preparation, J.B. and T.M.; writing-review and editing, J.B., T.M., L.B., D.K., I.O., R.P., and B.N.; visualization, T.M.; supervision, I.O. and B.N.; and funding acquisition, T.M., I.O., R.P., and B.N. All authors have read and agreed to the published version of the manuscript.

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“…However, this complicated web-accessible sensor technology has to deal with several interferences and data loss throughout the process. In this regard, the implementation of RF components and the use of metamaterials can have a significant impact on the sensor technology [1–2]. These elements mainly include power amplifiers [3] as active circuits and couplers [4], power dividers [5] and bandpass filters (BPFs) [6] as passive circuits.…”

Section: Introductionmentioning

confidence: 99%

Left-handed metamaterial bandpass filter for GPS, Earth Exploration-Satellite and WiMAX frequency sensing applications

et al. 2019

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Interferences and accuracy problem are one of the most talked issues in today’s world for sensor technology. To deal with this contention, a microstrip framework consisting of a dual mode double negative (DNG) metamaterial based bandpass filter is presented in this article. To obtain the ultimate noise reduction bandpass filter, the proposed structure has to go through a series of development process, where the characteristics of the structure are tested to the limit. This filter is built on Rogers RT-5880 substrate with a 50Ω microstrip line. To pursue the elementary mode of resonant frequency, the ground layer of the structure is kept partially filled and a gradual analysis is executed on the prospective metamaterial (resonator) unit cell. Depending on the developed unit cell, the filter is constructed and fabricated to verify the concept, concentrating on GPS (1.55GHz), Earth Exploration-Satellite (2.70GHz) and WiMAX (3.60GHz) bands of frequencies. Moreover, the structure is investigated using Nicolson–Ross–Weir (NRW) approach to justify the metamaterial characteristics, and also tested on S-parameters, current distribution, electric and magnetic fields and quality factor. Having a propitious architecture and DNG characteristics, the proposed structure is suitable for bandpass filter for GPS, Earth Exploration-Satellite and WiMAX frequency sensing applications.

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Metamaterial inspired miniaturized SIW resonator for sensor applications

Cited by 16 publications

References 14 publications

A Microwave Platform for Reliable and Instant Interconnecting Combined with Microwave-Microfluidic Interdigital Capacitor Chips for Sensing Applications

A Microwave Platform for Reliable and Instant Interconnecting Combined with Microwave-Microfluidic Interdigital Capacitor Chips for Sensing Applications

Novel Fabrication Process for Integration of Microwave Sensors in Microfluidic Channels

Left-handed metamaterial bandpass filter for GPS, Earth Exploration-Satellite and WiMAX frequency sensing applications

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