Yazar "Ünal, Emin" için listeleme
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Metamalzeme Yapılarıyla Fraktal Anten Parametrelerinin İyileştirilmesi
Ünal, Emin; Doğan, Ceren (Çukurova Üniversitesi, 2020)Bu çalışmada 5,47 GHz’de çalışan bir fraktal anten tasarımı yapılmış ve bu antenin yönlülüğünün, kazancının ve verimliliğinin Metamalzemeli yapılar kullanılarak iyileştirilmesi amaçlanmıştır. FIT tabanlı simülasyon programı ... -
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 absorber-based multisensor applications using a meander-line resonator
Akgöl, Oğuzhan; Altıntaş, Olcay; Dalkılınç, Elif Eda; Ünal, Emin; Karaaslan, Muharrem; Sabah, Cumali (Society of Photo-Optical Instrumentation Engineers, 2017)A metamaterial (MTM) absorber-based multifunctional sensor is numerically and experimentally realized using meander-line resonators. The proposed sensor device can be used to measure pressure, density, and humidity with ... -
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 ... -
Metamaterial inspired sensor for detection of engine lubricant oil condition
Altıntaş, Olcay; Aksoy, Murat; Ünal, Emin; Karaaslan, Muharrem (American Institute of Physics Inc., 2019)A metamaterial (MTM) based sensor structure is proposed to determine engine lubricant condition at X band frequency regime. The resonator part of the structure is inspired electric LC resonator (ELC) type MTM which is ... -
Metamaterial sensor application concrete material reinforced with carbon steel fiber
Dalgaç, Şekip; Karadağ, Faruk; Ünal, Emin; Özkaner, Vedat; Bakır, Mehmet; Akgöl, Oğuzhan; Sevim, Umur Korkut; Delihacıoğlu, Kemal; Öztürk, Murat; Karaaslan, Muharrem; Sabah, Cumali (World Scientific Publ Co Pte Ltd, 2020)In this paper, a rectangular split ring resonator-type metamaterial (MTM) sensor application is demonstrated in order to examine concrete materials. First, different types of concrete materials including carbon steel fiber ... -
Metamaterial Sensor for Transformer Oil, and Microfluidics
Bakır, Mehmet; Karaaslan, Muharrem; Karadağ, Faruk; Dalgaç, Şekip; Ünal, Emin; Akgöl, Oğuzhan (Applied Computational Electromagnetics Society (ACES), 2019)Metamaterial sensor which is composed of split square rings to operate in X band for liquid and microfluidics has been proposed in this study. For measurement and simulation, we have designed and manufactured a sample ... -
Metamaterial-based energy harvesting for GSM and satellite communication frequency bands
Bakır, Mehmet; Karaaslan, Muharrem; Karadağ, Faruk; Ünal, Emin; Akgöl, Oğuzhan; Alkurt, Fatih Özkan; Sabah, Cumali (SPIE - Society of Photo-Optical Instrumentation Engineers, 2018)A metamaterial-based energy harvesting structure has been designed and experimentally tested in this study. The proposed structure has square and split ring resonators placed in different angles on the back and front sides ... -
Metamaterial-based fuel sensor application with three rhombus slots
Tümkaya, Mehmet Ali; Ünal, Emin; Sabah, Cumali (World Scientific Publishing Co. Pte Ltd, 2019)In this paper, a sensor structure operating in the microwave frequency band is used and it is aimed to determine whether fuel samples are branded or not. In the literature, the studies on the sensor applications of ... -
Microfluidic and Fuel Adulteration Sensing by Using Chiral Metamaterial Sensor
Bakır, Mehmet; Karaaslan, Muharrem; Ünal, Emin; Karadağ, Faruk; Alkurt, Fatih Özkan; Altıntaş, Olcay; Dalgaç, Şekip; Sabah, Cumali (The Electrochemical Society, 2018)In this study, Chiral Metamaterial Sensor (CMS), which is designed by utilizing a Split Ring Resonators (SRR) has been employed to reveal the two different types of sensor applications by experimentally and numerically. ... -
Microfluidic sensor applications by using chiral metamaterial
Dalgaç, Şekip; Bakır, Mehmet; Karadağ, Faruk; Karaaslan, Muharrem; Akgöl, Oğuzhan; Ünal, Emin; Sabah, Cumali (World Scientific Publishing Company, 2020)Chiral metamaterial-based sensor is designed for sensing the change in substance ratio of chemical substances when combined with distilled water. These samples have been prepared with 10%, 50% and 90% volume fraction of ... -
Microwave energy harvesting based on metamaterial absorbers with multi layered square split rings for wireless communications
Karaaslan, Muharrem; Bağmancı, Mehmet; Ünal, Emin; Akgöl, Oğuzhan; Sabah, Cumali (Elsevier, 2017)We propose the design of a multiband absorber based on multi-layered square split ring (MSSR) structure. The multi-layered metamaterial structure is designed to be used in the frequency bands such as WIMAX, WLAN and satellite ... -
Microwave Imager Design with 2.46 GHz Microstrip Patch Antennas
Alkurt, Fatih Özkan; Karaaslan, Muharrem; Ünal, Emin; Karadağ, Faruk (Adıyaman Üniversitesi Fen Bilimleri Dergisi, 2019)In this study, microwave imager design is aimed by using a series of microstrip patch antennas operating in the 2.46 GHz frequency band. The designed microwave imager has a 24-sided cylindrical shape and includes 5x1 ... -
Microwave metamaterial absorber for sensing applications
Bakır, Mehmet; Karaaslan, Muharrem; Ünal, Emin; Akgöl, Oğuzhan; Sabah, Cumali (Elsevier, 2017)A metamaterial absorber (MA) based sensor is designed and analysed for various important applications including pressure, temperature, density, and humidity sensing. Material parameters, as well as equivalent circuit model ... -
Microwave power imaging detector based on metamaterial absorber
Alkurt, Fatih Özkan; Altıntaş, Olcay; Bakır, Mehmet; Karaaslan, Muharrem; Ünal, Emin; Karadağ, Faruk; Akgöl, Oğuzhan; Sabah, Cumali (SPIE, 2020)Our paper presents the design, fabrication, and characterization of metamaterial absorber-based microwave imaging detector that is operating in industrial, scientific, and medical (ISM) band. The results reveal that the ... -
Mikrodalga rezonatör tabanlı sensor kullanarak bitkisel yağların dielektrik katsayılarının ısı değişimine ve kullanım sıklığına göre karakterizasyonu
Erdoğan, Maide (İskenderun Teknik Üniversitesi / Mühendislik ve Fen Bilimleri Enstitüsü / Elektrik-Elektronik Mühendisliği Anabilim Dalı, 2019)Yağ günlük hayatımızda önemli bir yer eden akışkanlardan birisidir. Yağların, akışkanlık, baz sayısı, kırılma indisi, asit sayıları, yoğunluk, içerdiği su miktarı vb. gibi parametrelerini ölçmek için karmaşık laboratuar ... -
Monopole antenna integrated cavity resonator for microwave imaging
Alkurt, Fatih Özkan; Karaaslan, Muharrem; Furat, Murat; Ünal, Emin; Akgöl, Oğuzhan (SPIE, 2021)We present a system that displays an image of any metal structure in a scene by the use of microwave radiation from a cavity resonator in a 10-GHz frequency band. An 80 mm x 80 mm mushroom-like electromagnetic band gap ... -
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 ... -
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 ... -
New generation chiral metamaterials based on omega resonators with small and smooth chirality over a certain frequency band
Dinçer, Furkan; Akgöl, Oğuzhan; Karaaslan, Muharrem; Ünal, Emin; Demirel, Ekrem; Sabah, Cumali (World Scientific Publishing Co. Pte Ltd, 2016)In this paper, we have designed, simulated and analyzed a new generation chiral metamaterials (MTMs) with two geometries. There are various types of chiral MTM structures in the literature and almost all of them are indented ...