Browsing by Author "Abdulkarim, Yadgar I."
Now showing items 1-20 of 28
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Bandwidth Improvement in Bow-Tie Microstrip Antennas: The Effect of Substrate Type and Design Dimensions
Awl, Halgurd N.; Abdulkarim, Yadgar I.; Deng, Lianwen; Bakır, Mehmet; Muhammadsharif, Fahmi F.; Karaaslan, Muharrem; Ünal, Emin; Luo, Heng (Mdpi, 2020)In this work, the impact of substrate type and design dimensions on bow-tie microstrip antenna performance and bandwidth improvement is presented both numerically and experimentally at 4-8 GHz. The finite integration ... -
C-shaped split ring resonator type metamaterial antenna design using neural network
Sağık, Metin; Karaaslan, Muharrem; Ünal, Emin; Akgöl, Oğuzhan; Bakır, Mehmet; Akdoğan, Volkan; Özdemir, Ersin; Abdulkarim, Yadgar I. (SPIE, 2021)A C-shaped split ring resonator-based metamaterial (MTM) structure placed on a patch antenna is proposed. An artificial neural network (ANN) is applied to design and determine dimensions of an MTM structure that is similar ... -
Design and study of a metamaterial based sensor for the application of liquid chemicals detection
Abdulkarim, Yadgar I.; Deng, Lianwen; Luo, Heng; Huang, Shengxiang; Karaaslan, Muharrem; Altıntaş, Olcay; Bakır, Mehmet; Muhammadsharif, Fahmi F.; Awl, Halgurd N.; Sabah, Cumali; Al-badri, Khalid Saeed Lateef (Elsevier, 2021)The detection of chemical samples having close dielectric response is a big challenge as the detection principle is driven by the variations in the dielectric parameters of the investigated samples. In the current work, a ... -
Design of a Broadband Coplanar Waveguide-Fed Antenna Incorporating Organic Solar Cells with 100% Insolation for Ku Band Satellite Communication
Abdulkarim, Yadgar I.; Deng, Lianwen; Awl, Halgurd N.; Muhammadsharif, Fahmi F.; Altıntaş, Olcay; Karaaslan, Muharrem; Luo, Heng (Mdpi, 2020)A broadband coplanar waveguide (CPW)-fed monopole antenna based on conventional CPW-fed integration with an organic solar cell (OSC) of 100% insolation is suggested for Ku band satellite communication. The proposed ... -
The Detection of Chemical Materials with a Metamaterial-Based Sensor Incorporating Oval Wing Resonators
Abdulkarim, Yadgar I.; Deng, Lianwen; Karaaslan, Muharrem; Dalgaç, Şekip; Mahmud, Rashad Hassan; Alkurt, Fatih Özkan; Muhammadsharif, Fahmi F.; Awl, Halgurd N.; Huang, Shengxiang; Luo, Heng (MDPI, 2020)The detection of branded and unbranded chemical materials is essential for the quality control assessment. In this work, a metamaterial inspired sensor is designed and fabricated, which incorporates oval-shaped wing ... -
Determination of the liquid chemicals depending on the electrical characteristics by using metamaterial absorber based sensor
Abdulkarim, Yadgar I.; Deng, Lianwen; Karaaslan, Muharrem; Ünal, Emin (Elsevier, 2019)In this paper, the metamaterial absorber based chemical sensor has been designed and measured experimentally. The proposed structure composed of gammadion copper resonator on the top of the FR4 substrate. There is an air ... -
Electromagnetic simulations of polarization-insensitive and wide-angle multiband metamaterial absorber by incorporating double asterisk resonator
Abdulkarim, Yadgar I.; Deng, Lianwen; Luo, Heng; Huang, Shengxiang; He, Longhui; Li, Yuhan; Muhammadsharif, Fahmi F.; Altıntaş, Olcay; Sabah, Cumali; Karaaslan, Muharrem (Indian Acad Sciences, 2020)A novel multiband metamaterial absorber (MTMA) is proposed which is capable of well presenting a polarization-insensitive and wide incident angle stability in the microwave frequency range. The proposed MTMA comprising two ... -
Enhanced Sensing Capacity of Terahertz Triple-Band Metamaterials Absorber Based on Pythagorean Fractal Geometry
Mazare, Alin Gheorghita; Abdulkarim, Yadgar I.; Karim, Ayoub Sabir; Bakır, Mehmet; Taouzari, Mohamed; Muhammadsharif, Fahmi F.; Appasani, Bhargav; Altıntaş, Olcay; Karaaslan, Muharrem; Bizon, Nicu (MDPI, 2022)A new design of a triple band perfect metamaterial absorber based on Pythagorean fractal geometry is proposed and analyzed for terahertz sensing applications. The proposed design showed an enhanced sensing performance and ... -
Filtering two-element waveguide antenna array based on solely resonators
Mahmud, Rashad H.; Awl, Halgurd N.; Abdulkarim, Yadgar I.; Karaaslan, Muharrem; Lancaster, Michael J. (Elsevier, 2020)This paper presents a design approach of a filtering antenna arrays based on the coupling matrix theory. The approach generates filtering functionality using the resonating array radiating elements and the resonator based ... -
Highly sensitive metamaterial-based microwave sensor for the application of milk and dairy products
Abdulkarim, Yadgar I.; Bakır, Mehmet; Yaşar, İbrahim; Ulutaş, Hasan; Karaaslan, Muharrem; Alkurt, Fatih Özkan; Sabah, Cumali; Dong, Jian (Optica Publishing Group (formerly OSA), 2022)In this work, a novel, to the best of our knowledge, metamaterial-based microwave sensor is designed, numerically simulated, and experimentally tested for milk and dairy products in the frequency range of 8 to 9 GHz. The ... -
Hypersensitized Metamaterials Based on a Corona-Shaped Resonator for Efficient Detection of Glucose
Abdulkarim, Yadgar I.; Muhammadsharif, Fahmi F.; Bakır, Mehmet; Awl, Halgurd N.; Karaaslan, Muharrem; Deng, Lianwen; Huang, Shengxiang (MDPI, 2021)In this work, a new design for a real-time noninvasive metamaterial sensor, based on a corona-shaped resonator, is proposed. The sensor was designed numerically and fabricated experimentally in order to be utilized for ... -
Low-Cost Antenna-Array-Based Metamaterials for Non-Invasive Early-Stage Breast Tumor Detection in the Human Body
Hamza, Musa N.; Abdulkarim, Yadgar I.; Saeed, Salah Raza; Altıntaş, Olcay; Mahmud, Rashad H.; Appasani, Bhargav; Ravariu, Cristian (MDPI, 2022)Microstrip patch antennas have been used in many applications since their appearance. Despite their great promise, their narrow bandwidth and the loss at high-frequency bands have limited their usage in medical applications. ... -
Metamaterial absorber sensor design by incorporating swastika shaped resonator to determination of the liquid chemicals depending on electrical characteristics
Abdulkarim, Yadgar I.; Deng, Lianwen; Altıntaş, Olcay; Ünal, Emin; Karaaslan, Muharrem (Elsevier, 2019)In this work, sensor abilities of the metamaterial absorber based on swastika shaped resonator are developed both theoretically and experimentally at X-band frequency range. The structure is consisted of a swastika shaped ... -
Metamaterial based sensor integrating transmission line for detection of branded and unbranded diesel fuel
Tamer, Ahmet; Karadağ, Faruk; Ünal, Emin; Abdulkarim, Yadgar I.; Deng, Lianwen; Altıntaş, Olcay; Karaaslan, Muharrem (Elsevier, 2020)In this paper, a high sensitive metamaterial - based liquid sensor employing microstrip transmission line have been designed and investigated for detection of authentic and inauthentic diesel samples both numerically and ... -
A monopole microwave-assisted electrochemical sensor for the detection of liquid chemicals
Karatepe, Ayşegül; Akgöl, Oğuzhan; Abdulkarim, Yadgar I.; Dalgaç, Şekip; Awl, Halgurd N.; Muhammadsharif, Fahmi F.; Karaaslan, Muharrem; Ünal, Emin; Saeed, Salah Raza; Luo, Heng; Huang, Shengxiang (S.C. Virtual Company of Phisics S.R.L, 2021)In this paper, a new sensor structure is presented based on a printed circuit board (PCB) monopole antenna with operating frequency of f=2 GHz. Numerical investigation was performed in order to determine the ethanol alcohol ... -
Multilayered metamaterials array antenna based on artificial magnetic conductor's structure for the application diagnostic breast cancer detection with microwave imaging
Zerrad, Fatima-ezzahra; Taouzari, Mohamed; Makroum, El Mostafa; El aoufi, Jamal; Islam, Mohammad Tarikul; Özkaner, Vedat; Abdulkarim, Yadgar I.; Karaaslan, Muharrem (Elsevier, 2022)In this work, a small multilayer ultra-wideband (UWB) patch antenna for microwave breast imaging (MWI) applications was developed both theoretically and experimentally. However, to improve the antenna performance relating ... -
Multipurpose chemical liquid sensing applications by microwave approach
Karatepe, Ayşegül; Akgöl, Oğuzhan; Abdulkarim, Yadgar I.; Dalgaç, Şekip; Muhammadsharif, F.F.; Awl, Halgurd N.; Deng, Lianwen; Ünal, Emin; Karaaslan, Muharrem; Heng, Luo; Huang, Shengxiang (Public Library of Science, 2020)In this work, a novel sensor based on printed circuit board (PCB) microstrip rectangular patch antenna is proposed to detect different ratios of ethanol alcohol in wines and isopropyl alcohol in disinfectants. The proposed ... -
Mutual Coupling Reduction of Cross-Dipole Antenna for Base Stations by Using a Neural Network Approach
Özdemir, Ersin; Akgöl, Oğuzhan; Alkurt, Fatih Özkan; Karaaslan, Muharrem; Abdulkarim, Yadgar I.; Deng, Lianwen (Mdpi, 2020)In this manuscript, a resonator layer is presented for the purpose of reducing the mutual coupling effect between each antenna element of a cross dipole antenna. In design processes, an artificial neural network approach ... -
Novel Metamaterials-Based Hypersensitized Liquid Sensor Integrating Omega-Shaped Resonator with Microstrip Transmission Line
Abdulkarim, Yadgar I.; Deng, Lianwen; Karaaslan, Muharrem; Altıntaş, Olcay; Awl, Halgurd N.; Muhammadsharif, Fahmi F.; Liao, Congwei; Ünal, Emin; Luo, Heng (Mdpi, 2020)In this paper, a new metamaterials-based hypersensitized liquid sensor integrating omega-shaped resonator with microstrip transmission line is proposed. Microwave transmission responses to industrial energy-based liquids ... -
A polarization-insensitive triple-band perfect metamaterial absorber incorporating ZnSe for terahertz sensing
Abdulkarim, Yadgar I.; Alkurt, Fatih Özkan; Bakır, Mehmet; Awl, Halgurd N.; Muhammadsharif, Fahmi F.; Karaaslan, Muharrem; Appasani, Bhargav; Al-Badri, Khalid Saeed Lateef; Zhu, Yuanyuan; Dong, Jian (Institute of Physics, 2022)In this work, a triple-band polarization-insensitive metamaterial structure with perfect absorption is proposed by incorporating a zinc selenide (ZnSe) spacer. The structure was optimally designed by varying the type of ...
