Detection of Semi-Solid Materials Utilizing Triple-Rings CSRR Microwave Sensor

Al-Gburi, Ahmed Jamal Abdullah; Rahman, Norhanani Abd; Zakaria, Zahriladha; Palandöken, Merih

doi:10.3390/s23063058

Cited by 12 publications

(3 citation statements)

References 48 publications

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“…A. [23] et al proposed a three-ring complementary split resonance ring structure, boasting higher sensitivity compared to the conventional two-ring setup. Integration of the CSRR structure onto a ceramic substrate with a metal plate enhances resistance to high-temperature corrosion while ensuring high sensitivity, quality factor, and interference immunity.…”

Section: Introductionmentioning

confidence: 99%

CSRR-SIW wireless passive high quality factor temperature sensor

Shi,

Zhang,

Feng

et al. 2024

IEICE Electron. Express

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In this paper, an unconventional temperature sensor for harsh environments is proposed, which can be used for real-time measurement of temperature parameters in harsh environments such as high temperature and high pressure by embedding a complementary split resonant ring (CSRR) structure into a substrate integrated waveguide (SIW) structure. After experimental verification, the temperature sensitivity of the sensor is up to 401.2 kHz/°C, and the quality factor is still up to 2728.6 at 850°C, which effectively solves the problem of weakening or even annihilating the characteristic signals of wireless sensors at high temperatures. The sensor has the advantages of small size, high structural strength and high temperature corrosion resistance.

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Section: Introductionmentioning

confidence: 99%

CSRR-SIW wireless passive high quality factor temperature sensor

Shi,

Zhang,

Feng

et al. 2024

IEICE Electron. Express

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“…In recent years, there has been a rapid development of interest in microwave resonator sensors for various technological challenges, such as the detection of the properties of media under tests (MUT) via structural analyses. Microwave sensors are among the most widely used sensors for material characterization in agriculture, pharmaceuticals, and industry [1][2][3]. Material characterization is necessary when one wants to distinguish the type of material for a particular application.…”

Section: Introductionmentioning

confidence: 99%

A Miniaturized and Highly Sensitive Microwave Sensor Based on CSRR for Characterization of Liquid Materials

Al-Gburi¹,

Zakaria

Rahman³

et al. 2023

Materials

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In this work, a miniaturized and highly sensitive microwave sensor based on a complementary split-ring resonator (CSRR) is proposed for the detection of liquid materials. The modeled sensor was designed based on the CSRR structure with triple rings (TRs) and a curve feed for improved measurement sensitivity. The designed sensor oscillates at a single frequency of 2.5 GHz, which is simulated using an Ansys HFSS simulator. The electromagnetic simulation explains the basis of the mode resonance of all two-port resonators. Five variations of the liquid media under tests (MUTs) are simulated and measured. These liquid MUTs are as follows: without a sample (without a tube), air (empty tube), ethanol, methanol, and distilled water (DI). A detailed sensitivity calculation is performed for the resonance band at 2.5 GHz. The MUTs mechanism is performed with a polypropylene tube (PP). The samples of dielectric material are filled into PP tube channels and loaded into the CSRR center hole; the E-fields around the sensor affect the relationship with the liquid MUTs, resulting in a high Q-factor value. The final sensor has a Q-factor value and sensitivity of 520 and 7.032 (MHz)/εr) at 2.5 GHz, respectively. Due to the high sensitivity of the presented sensor for characterizing various liquid penetrations, the sensor is also of interest for accurate estimations of solute concentrations in liquid media. Finally, the relationship between the permittivity and Q-factor value at the resonant frequency is derived and investigated. These given results make the presented resonator ideal for the characterization of liquid materials.

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“…Microwave sensors are widely used for material characterization in agriculture, pharmaceuticals, and industry [ 1 , 2 , 3 ]. Material characterization is necessary when one wants to determine the type of material for a particular application, whether it is a solid, a semisolid, or a powder sample [ 4 , 5 , 6 ]. Sensor sensitivity is also crucial for microwave engineering when it comes to the properties of characterized materials.…”

Section: Introductionmentioning

confidence: 99%

Realizing the High Q-Factor of a CSIW Microwave Resonator Based on an MDGS for Semisolid Material Characterization

Al-Gburi¹,

Rahman

Zakaria³

et al. 2023

Micromachines

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In this work, the high-quality factor (Q-factor) and high sensitivity of a circular substrate-integrated waveguide (CSIW) are proposed for the characterization of semisolid materials. The modeled sensor was designed based on the CSIW structure with a mill-shaped defective ground structure (MDGS) to improve measurement sensitivity. The designed sensor oscillates at a single frequency of 2.45 GHz, which was simulated using an Ansys HFSS simulator. Electromagnetic simulation explains the basis of the mode resonance of all two-port resonators. Six variations of the materials under test (SUTs) were simulated and measured, including air (without an SUT), Javanese turmeric, mango ginger, black turmeric, turmeric, and distilled water (DI). A detailed sensitivity calculation was performed for the resonance band at 2.45 GHz. The SUT test mechanism was performed using a polypropylene tube (PP). The samples of dielectric material were filled into the channels of the PP tube and loaded into the center hole of the MDGS. The E-fields around the sensor affect the relationship with the SUTs, resulting in a high Q-factor value. The final sensor had a Q-factor of 700 and a sensitivity of 2.864 at 2.45 GHz. Due to the high sensitivity of the presented sensor for characterization of various semisolid penetrations, the sensor is also of interest for accurate estimation of solute concentration in liquid media. Finally, the relationship between the loss tangent, permittivity, and Q-factor at the resonant frequency were derived and investigated. These results make the presented resonator ideal for the characterization of semisolid materials.

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Detection of Semi-Solid Materials Utilizing Triple-Rings CSRR Microwave Sensor

Cited by 12 publications

References 48 publications

CSRR-SIW wireless passive high quality factor temperature sensor

CSRR-SIW wireless passive high quality factor temperature sensor

A Miniaturized and Highly Sensitive Microwave Sensor Based on CSRR for Characterization of Liquid Materials

Realizing the High Q-Factor of a CSIW Microwave Resonator Based on an MDGS for Semisolid Material Characterization

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