İSTE Yazarı "Alkurt, Fatih Özkan" Makale Koleksiyonu İçin Listeleme
-
Pattern Shaping by Utilizing EBG Phase Response and Its Use in MIMO Radio Altimeter Antenna Design for Aircraft
Kiriş, Serap; Alkurt, Fatih Özkan; Karaaslan, Muharrem (MDPI, 2023)In this study, a novel pattern shaping technique is presented and applied to the uniquely designed multiple-input multiple-output (MIMO) radio altimeter antenna, acquiring area gain. Inspired by the behavior of the perfect ... -
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 ... -
Prevention of Wave Propagation via Circular Arrangement of Seismic Metamaterials Formed with Concrete Piles
Kaçın, Selçuk; Özturk, Murat; Sevim, Umur Korkut; Karaaslan, Muharrem; Akgöl, Oğuzhan; Özer, Zafer; Demirci, Mustafa; Ünal, Emin; Mert, Bayram Ali; Alkurt, Maide Erdoğan; Alkurt, Fatih Özkan; Başar, Mustafa Tunahan (MDPI, 2023)It is known that the low frequencies of seismic surface waves have a destructive effect. The main purpose of seismic metamaterials is to protect structures from seismic waves at low frequencies, especially in a wide band. ... -
Radar Absorber Fabric Design Based on Periodic Arrays of Circular Shaped Conductive Patches
Nişancı, Muhammet Hilmi; Kanberoğlu, Baha; Alkurt, Fatih Özkan; Karaaslan, Muharrem (Celal Bayar University, 2022)In this study, the design and electrical tests of radar absorber fabric containing an array of circular shaped conductive patches positioned on a neoprene fabric are presented.In the designs, electrical performance of the ... -
Radiation pattern reconfigurable cubical antenna array for 2.45 GHz wireless communication applications
Alkurt, Fatih Özkan; Ünal, Emin; Palandöken, Merih; Abdulkarim, Yadgar I.; Hasar, Uğur Cem; Karaaslan, Muharrem (Springer, 2022)In this paper a single-fed four-faced multidirectional compact antenna is introduced for 2.45 GHz indoor wireless applications. Firstly, a slotted patch antenna is designed to operate at 2.45 GHz and its equivalent circuit ... -
Simulated and experimental studies of a multi-band symmetric metamaterial absorber with polarization independence for radar applications
Ali, Hema O.; Al-Hindawi, Asaad M.; Abdulkarim, Yadgar, I.; Nugoolcharoenlap, Ekasit; Tippo, Tossapol; Alkurt, Fatih Özkan; Altıntaş, Olcay; Karaaslan, Muharrem (Institute of Physics, 2022)We develop a simple new design for a multi-band metamaterial absorber (MTMA) for radar applications. Computer Simulation Technology (CST) Studio Suite 2018 was used for the numerical analysis and absorption study. The ... -
Simulated and experimental verification of the microwave dual-band metamaterial perfect absorber based on square patch with a 45(0) diagonal slot structure
Al-badri, Khalid Saeed Lateef; Abdulkarim, Yadgar I.; Alkurt, Fatih Özkan; Karaaslan, Muharrem (Taylor and Francis, 2021)In this paper, we designed a dual band metamaterial perfect absorber (MPA) for Ku band applications. The overall ultrathin layer of proposed absorber consists of square patch with 450 diagonal slot structure within a copper ... -
Simulation and lithographic fabrication of a triple band terahertz metamaterial absorber coated on flexible polyethylene terephthalate substrate
Abdulkarim, Yadgar I.; Xiao, Meiyu; Awl, Halgurd N.; Muhammadsharif, Fahmi F.; Lang, Tingting; Saeed, Salah Raza; Alkurt, Fatih Özkan; Bakır, Mehmet; Karaaslan, Muharrem; Dong, Jian (The Optical Society, 2022)A triple band metamaterial absorber in the terahertz range, incorporating a three closed circle ring resonator, was designed and fabricated on flexible polyethylene terephthalate “PET” substrate. The proposed design was ... -
Sinusoidally located concrete metastructures for attenuation of seismic surface vibrations
Kaçın, Selçuk; Öztürk, Murat; Sevim, Umur Korkut; Karaaslan, Muharrem; Akgöl, Oğuzhan; Özer, Zafer; Demirci, Mustafa; Ünal, Emin; Mert, Bayram Ali; Alkurt, Maide Erdoğan; Alkurt, Fatih Özkan; Başar, Mustafa Tunahan; Kaya, Şeyda Gülsüm (Springer, 2022)In this numerical and experimental study, we designed sinusoidal located concrete-based boreholes which are candidate for seismic shielding applications. To attenuate seismic wave transmission in an area, proposed design ... -
A study on electronically controllable beamforming monopole antenna for telecommunication applications
Alkurt, Fatih Özkan; Ünal, Emin; Palandöken, Merih; Altıntarla, Gizem; Abdulkarim, Yadgar I.; Hasar, Uğur Cem; Karaaslan, Muharrem (Taylor and Francis, 2022)The design, analysis, and prototyping of an electronically controllable beamforming monopole antenna (ECBMA), which could be a good candidate for ceil-mounted wireless telecommunication systems, are reported. The proposed ... -
Symmetrical and Asymmetrical Breast Phantoms With 3D-Printed Anatomical Structure for Microwave Imaging of Breast Cancer
Zerrad, Fatima-Ezzahra; Taouzari, Mohamed; Makroum, El Mostafa; Ahmad, Sarosh; Alkurt, Fatih Özkan; Karaaslan, Muharrem; Islam, Md Tarikul; Hussein, Mousa, I. (Institute of Electrical and Electronics Engineers Inc., 2022)In this study, various breast phantom (BP) models for microwave breast imaging (MBI) are investigated and the creation and assessment of designed models are presented. Symmetrical and asymmetrical BP models have been ... -
A Symmetrical Terahertz Triple-Band Metamaterial Absorber Using a Four-Capacitance Loaded Complementary Circular Split Ring Resonator and an Ultra-Thin ZnSe Substrate
Abdulkarim, Yadgar, I.; Alkurt, Fatih Özkan; Awl, Halgurd N.; Altıntaş, Olcay; Muhammadsharif, Fahmi F.; Appasani, Bhargav; Bakır, Mehmet; Karaaslan, Muharrem; Taouzari, Mohamed; Dong, Jian (MDPI, 2022)In this research work, a symmetrical four-capacitance loaded complementary circular split ring resonator is proposed, which uses an ultra-thin Zinc Selenide (ZnSe) substrate to realize a low-profile triple-band metamaterial ... -
Synthesis and characterization of nanoparticles reinforced epoxy based advanced radar absorbing composites
Tümen, Kutluhan Utku; Kıvrak, Burak; Alkurt, Fatih Özkan; Akyol, Mustafa; Karaaslan, Muharrem; Ekicibil, Ahmet (Springer, 2021)In this study, the structural and magnetic properties of NixCo1-xFe2O4 (0.0 <= x <= 1.0) and ZnO nanoparticles synthesized by the sol-gel method were investigated. The microwave property of the composite structures produced ... -
Theoretical and experimental sensing of bone healing by microwave approach
Akdoğan, Volkan; Özkaner, Vedat; Alkurt, Fatih Özkan; Karaaslan, Muharrem (Wiley, 2022)A medical imaging system is often required to monitor bone growth or bone healing in patients. X-ray imaging method is one of the most used imaging systems but it affects human health due to the ionizing effect of X-rays ... -
A thermally stable and polarization insensitive square-shaped water metamaterial with ultra-broadband absorption
Abdulkarim, Yadgar I.; Awl, Halgurd N.; Alkurt, Fatih Özkan; Muhammadsharif, Fahmi F.; Saeed, Salah Raza; Karaaslan, Muharrem; Bakır, Mehmet; Luo, Heng (Elsevier, 2021)In this paper, square-shaped water metamaterial is reported, which can be used as a perfect absorber for ultra-broadband absorption in the microwave frequency range. Computer Simulation Technology (CST) software was used ... -
Transmission Line Integrated Metamaterial Based Liquid Sensor
Tamer, Ahmet; Alkurt, Fatih Özkan; Altıntaş, Olcay; Karaaslan, Muharrem; Ünal, Emin; Akgöl, Oğuzhan; Karadağ, Faruk; Sabah, Cumali (Electrochemical Society Inc., 2018)In this work, transmission line based metamaterial liquid sensor is proposed to determine the authentic and inauthentic gasoline samples. Proposed structure consists of transmission line integrated metamaterial based ... -
An ultrathin and dual band metamaterial perfect absorber based on ZnSe for the polarization-independent in terahertz range
Abdulkarim, Yadgar I.; Alkurt, Fatih Özkan; Awl, Halgurd N.; Muhammadsharif, Fahmi F.; Bakır, Mehmet; Dalgaç, Şekip; Karaaslan, Muharrem; Luo, Heng (Elsevier, 2021)In this work, a new metamaterial design is proposed to yield an ultra-thin and dual band metamaterials perfect absorber (MPA) to be operated in the frequency range from 15 to 35 THz. The proposed structure is consisted of ... -
Utilization of a triple hexagonal split ring resonator (SRR) based metamaterial sensor for the improved detection of fuel adulteration
Abdulkarim, Yadgar I.; Dalgaç, Şekip; Alkurt, Fatih Özkan; Muhammadsharif, Fahmi F.; Awl, Halgurd N.; Saeed, Salah Raza; Altıntaş, Olcay; Li, Chen; Bakır, Mehmet; Karaaslan, Muharrem; Ameen, Mohammad; Chaudhary, Raghvendra Kumar; Luo, Heng (Springer, 2021)In this work, a triple hexagonal split ring resonator incorporated metamaterial sensor is proposed for the improved detection of fuel adulteration. The proposed metamaterial structure is made of three resonators, acting ... -
Utilization of toxic marine invaders in the development of low-loss microwave devices
Uğurlu, Erkan; Önder, Duysak; Alkurt, Fatih Özkan; Karaaslan, Muharrem; Franco, Arlet Patricia (Niğde Ömer Halisdemir Üniversitesi, 2023)This research paper presents constitutive parameters of toxic marine invaders (Diadema setosum) and offers the availability of materials from these invaders for microwave applications. Two different powder form of these ... -
A vanadium dioxide-based metamaterial with quatrefoil and circle loaded structure on flexible polyamide substrate for terahertz applications
Abdulkarim, Yadgar I.; Awl, Halgurd N.; Muhammadsharif, Fahmi F.; Bakır, Mehmet; Alkurt, Fatih Özkan; Altıntaş, Olcay; Saeed, Salah Raza; Taouzari, Mohamed; Karaaslan, Muharrem; Appasani, Bhargav; Dong, Jian (Frontiers Media S.A., 2022)In this study, a novel broadband metamaterial (MTM) absorber is proposed, which is based on vanadium dioxide (VO2) resonators coated onto a flexible polyamide substrate. The VO2 resonator is in the form of a quatrefoil and ...