A Novel Microwave Sensor With High-Q Resonator For High Sensitivity Material Characterization

The use of novel microwave sensor on material characterization is an attractive idea. There are many applications that could benefit from this such as food industry, quality control and biomedical applications. The potential for highly accurate measurements of characterizing the material properties...

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Main Author:	Al-Ahnomi, Rammah Ali Hussien
Format:	Thesis
Language:	English English
Published:	2016
Subjects:	T Technology (General)
Online Access:	http://eprints.utem.edu.my/id/eprint/18363/1/A%20Novel%20Microwave%20Sensor%20With%20High-Q%20Resonator%20For%20High%20Sensitivity%20Material%20Characterization.pdf http://eprints.utem.edu.my/id/eprint/18363/2/A%20Novel%20Microwave%20Sensor%20With%20High-Q%20Resonator%20For%20High%20Sensitivity%20Material%20Characterization.pdf
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institution	Universiti Teknikal Malaysia Melaka
collection	UTeM Repository
language	English English
advisor	Zakaria, Zahriladha
topic	T Technology (General) T Technology (General)
spellingShingle	T Technology (General) T Technology (General) Al-Ahnomi, Rammah Ali Hussien A Novel Microwave Sensor With High-Q Resonator For High Sensitivity Material Characterization
description	The use of novel microwave sensor on material characterization is an attractive idea. There are many applications that could benefit from this such as food industry, quality control and biomedical applications. The potential for highly accurate measurements of characterizing the material properties is offered by microwave resonant techniques at single or discrete set of frequencies. Conventionally, coaxial cavity, waveguide, and dielectric resonators have been used for characterizing the properties of materials. However, there are also challenges that arise from these resonators. One of them is the problem of fabricating the sensors which increase the cost and the other one they require large amount of circuit size and consequently require similar processing capability which restrict their use in many important applications. Thus, planar resonant techniques have gained a considerable interest over the past few years due to their advantages such as low cost, ease of fabrication and compact in circuit size. Conversely, these techniques suffer from low sensitivity and poor Q-factors which constrain their use and limit the range of materials characterizing applications. Therefore, this thesis presents novel structures of planar microwave sensors for detecting and characterizing the dielectric properties in common solids materials which produce high Q-factor with capability to suppress undesired harmonic spurious. These planar resonator structures are based on novel metamaterial symmetrical split ring resonator (SSRR) with and without spurlines filters by employing the perturbation theory, in which the dielectric properties of the resonator affect the Q-factor and resonance frequency. The sensors are designed at operating frequency of 2.2 GHz with resonant frequency ranging from 1 GHz to 10 GHz. As a results, the sensors achieve narrow resonance with low insertion loss and high Q sensitivity which peaked up to 652 at 2.2 GHz operating frequency. The circuit size of symmetrical split ring resonator is minimized about 30 % of total size by introducing spurlines filters. By using a specific experimental methodology, practical materials have been used as standards to validate the sensitivity of the sensors for permitting potentially material characterization and determination. In addition, a detailed sample thickness analysis has been carried out and accordingly the mathematical equation is derived to extract the materials with unknown properties. Experimentally, the measured and theoretical results are found in an excellent agreement with a 2 to 3 % possibility of typical error in the permittivity measurements. The average accuracy percentage of the measured results for all cases of the designed sensors is found within 97 to 98 % compared to those in literatures which has an average accuracy percentage of 91 to 92 % for the same tested standard materials. The most significant of using SSRR sensors with and without spurlines filters are to be used for various industrial applications such as food industry, quality control, bio–sensing medicine and pharmacy applications. It is believed that these techniques would lead for a promising solution of characterizing material particularly in determining material properties and quality.
format	Thesis
qualification_name	Master of Philosophy (M.Phil.)
qualification_level	Master's degree
author	Al-Ahnomi, Rammah Ali Hussien
author_facet	Al-Ahnomi, Rammah Ali Hussien
author_sort	Al-Ahnomi, Rammah Ali Hussien
title	A Novel Microwave Sensor With High-Q Resonator For High Sensitivity Material Characterization
title_short	A Novel Microwave Sensor With High-Q Resonator For High Sensitivity Material Characterization
title_full	A Novel Microwave Sensor With High-Q Resonator For High Sensitivity Material Characterization
title_fullStr	A Novel Microwave Sensor With High-Q Resonator For High Sensitivity Material Characterization
title_full_unstemmed	A Novel Microwave Sensor With High-Q Resonator For High Sensitivity Material Characterization
title_sort	novel microwave sensor with high-q resonator for high sensitivity material characterization
granting_institution	Universiti Teknikal Malaysia Melaka
granting_department	Faculty of Electrical Enginering
publishDate	2016
url	http://eprints.utem.edu.my/id/eprint/18363/1/A%20Novel%20Microwave%20Sensor%20With%20High-Q%20Resonator%20For%20High%20Sensitivity%20Material%20Characterization.pdf http://eprints.utem.edu.my/id/eprint/18363/2/A%20Novel%20Microwave%20Sensor%20With%20High-Q%20Resonator%20For%20High%20Sensitivity%20Material%20Characterization.pdf
_version_	1747833922818932736
spelling	my-utem-ep.183632021-10-10T15:55:52Z A Novel Microwave Sensor With High-Q Resonator For High Sensitivity Material Characterization 2016 Al-Ahnomi, Rammah Ali Hussien T Technology (General) TK Electrical engineering. Electronics Nuclear engineering The use of novel microwave sensor on material characterization is an attractive idea. There are many applications that could benefit from this such as food industry, quality control and biomedical applications. The potential for highly accurate measurements of characterizing the material properties is offered by microwave resonant techniques at single or discrete set of frequencies. Conventionally, coaxial cavity, waveguide, and dielectric resonators have been used for characterizing the properties of materials. However, there are also challenges that arise from these resonators. One of them is the problem of fabricating the sensors which increase the cost and the other one they require large amount of circuit size and consequently require similar processing capability which restrict their use in many important applications. Thus, planar resonant techniques have gained a considerable interest over the past few years due to their advantages such as low cost, ease of fabrication and compact in circuit size. Conversely, these techniques suffer from low sensitivity and poor Q-factors which constrain their use and limit the range of materials characterizing applications. Therefore, this thesis presents novel structures of planar microwave sensors for detecting and characterizing the dielectric properties in common solids materials which produce high Q-factor with capability to suppress undesired harmonic spurious. These planar resonator structures are based on novel metamaterial symmetrical split ring resonator (SSRR) with and without spurlines filters by employing the perturbation theory, in which the dielectric properties of the resonator affect the Q-factor and resonance frequency. The sensors are designed at operating frequency of 2.2 GHz with resonant frequency ranging from 1 GHz to 10 GHz. As a results, the sensors achieve narrow resonance with low insertion loss and high Q sensitivity which peaked up to 652 at 2.2 GHz operating frequency. The circuit size of symmetrical split ring resonator is minimized about 30 % of total size by introducing spurlines filters. By using a specific experimental methodology, practical materials have been used as standards to validate the sensitivity of the sensors for permitting potentially material characterization and determination. In addition, a detailed sample thickness analysis has been carried out and accordingly the mathematical equation is derived to extract the materials with unknown properties. Experimentally, the measured and theoretical results are found in an excellent agreement with a 2 to 3 % possibility of typical error in the permittivity measurements. The average accuracy percentage of the measured results for all cases of the designed sensors is found within 97 to 98 % compared to those in literatures which has an average accuracy percentage of 91 to 92 % for the same tested standard materials. The most significant of using SSRR sensors with and without spurlines filters are to be used for various industrial applications such as food industry, quality control, bio–sensing medicine and pharmacy applications. It is believed that these techniques would lead for a promising solution of characterizing material particularly in determining material properties and quality. 2016 Thesis http://eprints.utem.edu.my/id/eprint/18363/ http://eprints.utem.edu.my/id/eprint/18363/1/A%20Novel%20Microwave%20Sensor%20With%20High-Q%20Resonator%20For%20High%20Sensitivity%20Material%20Characterization.pdf text en public http://eprints.utem.edu.my/id/eprint/18363/2/A%20Novel%20Microwave%20Sensor%20With%20High-Q%20Resonator%20For%20High%20Sensitivity%20Material%20Characterization.pdf text en validuser https://plh.utem.edu.my/cgi-bin/koha/opac-detail.pl?biblionumber=100215 mphil masters Universiti Teknikal Malaysia Melaka Faculty of Electrical Enginering Zakaria, Zahriladha 1. Abduljabar, A. et al., 2015a. Microstrip Split Ring Resonator for Microsphere Detection and Characterization. Microwave Symposium (IMS), 2015 IEEE MTT-S International, pp.1–4. 2. Abduljabar, A. et al., 2015b. 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A Novel Microwave Sensor With High-Q Resonator For High Sensitivity Material Characterization

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