Yazar "Alkurt, Fatih Özkan" için listeleme
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5G ve E-band haberleşme frekansları için yeniden yapılandırılabilir antenler
Alkurt, Fatih Özkan; Karaaslan, Muharrem (İskenderun Teknik Üniversitesi, 2024)Bu tez çalışmasında telekomünikasyon uygulamalarında önemli bir rol oynayan mikrodalga rezonatörler ve metamalzemelerin elektronik olarak kontrolü üzerine araştırmalar gerçekleştirilmiştir. Araştırmalar kapsamında ... -
Absorbing the entire X-band via conductive polymer polyaniline coated Y3Fe5O12/NiFe2O4 hybrid composites
Akyol, Mustafa; Aka, Cemal; İnözü, Onat; Alkurt, Fatih Özkan; Karaaslan, Muharrem (Springer, 2023)Conductive polymer coated Y3Fe5O12 (YIG)/NiFe2O4 (NFO) hybrid radar absorbing composites were studied in this work. The magnetic YIG and NFO particles were synthesized by sol-gel method, and then covered with a conductive ... -
Antenna-based microwave absorber for imaging in the frequencies of 1.8, 2.45, and 5.8 GHz
Alkurt, Fatih Özkan; Altıntaş, Olcay; Atcı, Ahmet; Bakır, Mehmet; Ünal, Emin; Akgöl, Oğuzhan; Delihacıoğlu, Kemal; Karaaslan, Muharrem; Sabah, Cumali (The International Society for Optics and Photonics (SPIE), 2018)We propose a microwave imaging structure with GSM, ISM, Wi-Fi, and WiMAX operating frequencies at 1.80, 2.45, and 5.80 GHz, respectively. The suggested structure is based on a microwave antenna-inspired absorber with ... -
Characterization of tunable electromagnetic band gap material with disordered cavity resonator for X band imaging applications by resistive devices
Alkurt, Fatih Özkan; Karaaslan, Muharrem (Springer, 2019)Electromagnetic band gap (EBG) integrated monopole antenna is investigated in deformed cavity resonator in this study. The operation frequency is chosen as X band frequency regime and designs are completed for this frequency. ... -
Chiral Metamaterial Based Microfluidic Sensor
Bakır, Mehmet; Karaaslan, Muharrem; Karadağ, Faruk; Dalgaç, Şekip; Alkurt, Fatih Özkan; Bağmancı, Mehmet; Altıntaş, Olcay (Institute of Electrical and Electronics Engineers, 2018)This manuscript focus on developing of new metamaterials sensor based on distinction of different material and purity ratio sample. Unique side of this study is having very clear and sensitive results and presenting new ... -
Design and experimental investigation of an origami inspired X-band accordion waveguide
Alkurt, Fatih Özkan (Elsevier, 2024)This paper presents design, numerical analysis and experimental investigation of an origami inspired X-band accordion waveguide that is aimed to create a flexible and adaptive solutions. The design process is conducted in ... -
Design of a Dual Band Metamaterial Absorber for Wi-Fi Bands
Alkurt, Fatih Özkan; Bağmancı, Mehmet; Karaaslan, Muharrem; Bakır, Mehmet; Altıntaş, Olcay; Karadağ, Faruk; Akgöl, Oğuzhan; Ünal, Emin (American Institute of Physics Inc., 2018)The goal of this work is to design and fabrication of a dual band metamaterial based absorber for Wireless Fidelity (Wi-Fi) bands. Wi-Fi has two different operating frequencies such as 2.45 GHz and 5 GHz. A dual band ... -
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 frying sunflower oil usage time for local potato samples by using microwave transmission line based sensors
Erdoğan, Maide; Ünal, Emin; Alkurt, Fatih Özkan; Abdulkarim, Yadgar, I.; Deng, Lianwen; Karaaslan, Muharrem (Elsevier, 2020)Amount of oil usage time can be determined by microwave measurements instead of using complex laboratory equipments to measure oil parameters such as viscosity, base number, refractive index, acid numbers, density, water ... -
Direct Analysis of Chlorine Ionized Cement-Based Composites and Its Sensor Application By 2,5GHz Antennas
Öztürk, Murat; Alkurt, Fatih Özkan; Sevim, Umur Korkut; Akgöl, Oğuzhan; Karaaslan, Muharrem (Osmaniye Korkut Ata Üniversitesi, 2023)In this paper, we propose a system that discriminate cement-based composite including sea sand by using microwave patch antennas. The composites with sea sand have vital importance in construction engineering industry ... -
A Dynamic Beamforming at 5.4 GHz: Design and Validation of an Integrated Metasurface Reflectarray-Horn Antenna System for Wireless Communications
Alkurt, Fatih Özkan; Akdoğan, Volkan; Altıntaş, Olcay; Karaaslan, Muharrem; Palandöken, Merih; Ünal, Emin; Wang, Lulu (Springer, 2024)This paper presents the comprehensive design, analysis, and evaluation of a metasurface reflectarray structure integrated with a feeding horn antenna specifically tailored for 5.4 GHz wireless communications, especially ... -
Electromagnetic Analysis of Organic Waste and Blust Furnace Slag Mixtures
Baltacıoğlu, Mustafa; Başar, Mustafa Tunahan; Karaaslan, Muharrem; Alkurt, Fatih Özkan; Arıpek, Samet Alparslan (European Mechanical Science, 2021)In this experimental study, a composite structure was obtained by combining apple pulp wastes with slag wastes. Electromagnetic field characteristics of test samples have been determined. In the scope of the study, dry ... -
Enhancement of image quality by using metamaterial inspired energy harvester
Alkurt, Fatih Özkan; Altıntaş, Olcay; Özaktürk, Melikşah; Karaaslan, Muharrem; Akgöl, Oğuzhan; Ünal, Emin; Sabah, Cumali (Elsevier, 2020)Metamaterial energy harvester based subwavelength imaging structure is presented. Besides, 2x2 array patch antenna is designed to create incident radiated signal towards the proposed harvester structure. Harvested energy ... -
Farklı Konfigürasyonlarda Çelik Metamalzemeler Kullanarak Sismik Etkilerin Azaltılması
Kaçın, Selçuk; Sevim, Umur Korkut; Öztürk, Murat; Karaaslan, Muharrem; Demirci, Mustafa; Akgöl, Oğuzhan; ünal, Emin; Özer, Zafer; Başar, Mustafa Tunahan; Alkurt, Maide Erdoğan; Alkurt, Fatih Özkan; Mert, Bayram Ali; Kaya, Şeyda (Türk deprem araştırma dergisi (Online), 2021)Depremlerin yıkıcı etkilerini azaltmak için yapılan çalışmalar, son zamanlarda üzerinde durulan araştırma konuları arasındadır. Bu çalışmada, kare, üçgen, sinüs ve daire olmak üzere dört farklı saha dizisinde çelik met ... -
Fire Detection Behind a Wall by using Microwave Techniques
Alkurt, Fatih Özkan; Bağmancı, Mehmet; Karaaslan, Muharrem; Bakır, Mehmet; Altıntaş, Olcay; Karadağ, Faruk; Akgöl, Oğuzhan; Ünal, Emin (American Institute of Physics Inc., 2018)In this work, detection of the fire location behind a wall by using microwave techniques is illustrated. According to Planck's Law, Blackbody emits electromagnetic radiation in the microwave region of the electromagnetic ... -
Four-mode frequency reconfigurable antenna for 28 GHZ and 38 GHZ communication
Alkurt, Fatih Özkan; Ünal, Emin; Palandöken, Merih; Wang, Yi; Wu, Yi-Wen; Althuwayb, Ayman; Karaaslan, Muharrem (Taylor and Francis Ltd., 2025)This paper presents a four-mode frequency reconfigurable antenna design for 5G communication systems. The patch antenna approach has been chosen in the design steps and the proposed antenna contains two adjacent patches ... -
Ground plane design configuration estimation of 4.9 GHz reconfigurable monopole antenna for desired radiation features using artificial neural network
Alkurt, Fatih Özkan; Özdemir, Merve Erkınay; Akgöl, Oğuzhan; Karaaslan, Muharrem (Wiley, 2021)This paper presents a system based on artificial neural network (ANN) that predicts ground plane design for desired radiation properties of a monopole antenna with operation band of 4.8 to 5 GHz. The operating frequency ... -
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 ... -
Investigation of microwave power limiter for Industrial Scientific Medical band (ISM) applications
Sardi, Azzeddine; Alkurt, Fatih Özkan; Özkaner, Vedat; Karaaslan, Muharrem; Ünal, Emin; Mohamed, Taouzari (Wiley, 2020)In this paper, a new design of microstrip power limiter which is based on microstrip technology and zero bias Schottky diode is introduced. In this context, the FR-4 substrate that was characterized by dielectric permittivity ... -
A low-profile circularly polarized cavity-based waveguide aperture antenna
Mahmud, Rashad H.; Mohammed, Mustafa M.; Jarjees, Raad S.; Salih, Idris H.; Alkurt, Fatih Özkan; Karaaslan, Muharrem; Skaik, Talal (Wiley, 2024)This article proposes a new design of a circularly polarized (CP) aperture antenna based on a dual-mode rectangular waveguide cavity-resonator. A capacitive iris is employed to attain a strong coupling between the cavity ...
