Browsing by Author "Sabah, Cumali"
Now showing items 21-40 of 48
-
Metamaterial characterization by applying different boundary conditions on triangular split ring resonator type metamaterials
Bakır, Mehmet; Karaaslan, Muharrem; Dincer, Furkan; Sabah, Cumali (Wiley, 2017)This study aims to demonstrate the effects of the different boundary conditions on triangular split ring resonator (TSRR)-shaped metamaterials in X band frequency regime. Three different TSSR-shaped metamaterials are ... -
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-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 fluid sensor for identifying different types of fuel oil samples
Tümkaya, Mehmet Ali; Karaaslan, Muharrem; Sabah, Cumali (Elsevier, 2018)In this paper, we present, design and analyze a metamaterial (MTM) based sensor to distinguish different types of gasoline and diesel samples. Electromagnetic characterization of the samples is completed experimentally and ... -
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 ... -
Metamaterial-based high efficiency portable sensor application for determining branded and unbranded fuel oil
Tümkaya, Mehmet Ali; Karaaslan, Muharrem; Sabah, Cumali (Indian acad Sciences, 2018)In this study, we have developed an efficient metamaterial (MTM)-based portable fuel oil sensor in order to distinguish branded and unbranded fuel-oil samples. Electromagnetic properties of the fuel-oil samples are ... -
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 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 ... -
Multi-band polarization independent cylindrical metamaterial absorber and sensor application
Dinçer, Furkan; Karaaslan, Muharrem; Çolak, Şule; Tetik, Erkan; Akgöl, Oğuzhan; Altıntaş, Olcay; Sabah, Cumali (World Scientific Publishing Co. Pte Ltd, 2016)A multi-band perfect metamaterial absorber (MA) based on a cylindrical waveguide with polarization independency is numerically presented and investigated in detail. The proposed absorber has a very simple configuration, ... -
Multifunctional metamaterial sensor applications based on chiral nihility
Bakır, Mehmet; Karaaslan, Muharrem; Akgöl, Oğuzhan; Sabah, Cumali (Springer, 2017)In this paper, chiral nihility based pressure, density, temperature and moisture content metamaterial sensor applications are investigated in detail. A "chiral nihility'' medium in which both the permittivity and the ... -
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 ... -
New generation chiral metamaterials with small and flat chirality over a certain frequency band based on circular split ring resonators for microwave filter applications
Dinçer, Furkan; Akgöl, Oğuzhan; Karaaslan, Muharrem; Ünal, Emin; Demirel, Ekrem; Sabah, Cumali (World Scientific Publishing Co. Pte Ltd, 2016)There are many studies in literature on chiral metamaterials (MTMs) to obtain large chiralities with dynamic optical activities. With this regard, this new generation planar chiral MTM study focuses on a small, non-dispersive ... -
Perfect metamaterial absorber-based energy harvesting and sensor applications in the industrial, scientific, and medical band
Bakır, Mehmet; Karaaslan, Muharrem; Dinçer, Furkan; Delihacıoğlu, Kemal; Sabah, Cumali (SPIE-Soc Photo-Optical Instrumentation Engineers, 2015)An electromagnetic (EM) energy harvesting application based on metamaterials is introduced. This application is operating at the the industrial, scientific, and medical band (2.40 GHz), which is especially chosen because ... -
Polarization angle independent metamaterial absorber based on circle-shaped resonators with interference theory
Dinçer, Furkan; Karaaslan, Muharrem; Akgöl, Oğuzhan; Ünal, Emin; Sabah, Cumali (World Scientific Publishing Co. Pte Ltd, 2015)We theoretically and numerically designed a perfect metamaterial absorber at microwave frequencies. The proposed design has a very simple geometry, wide band properties and provides perfect absorption for all polarization ... -
Sensitive Metamaterial Sensor for Distinction of Authentic and Inauthentic Fuel Samples
Tümkaya, Mehmet Ali; Dinçer, Furkan; Karaaslan, Muharrem; Sabah, Cumali (Springer, 2017)A metamaterial-based sensor has been realized to distinguish authentic and inauthentic fuel samples in the microwave frequency regime. Unlike the many studies in literature on metamaterial-based sensor applications, this ... -
Sensory applications of resonator based metamaterial absorber
Bakır, Mehmet; Karaaslan, Muharrem; Akgöl, Oğuzhan; Altıntaş, Olcay; Ünal, Emin; Sabah, Cumali (Elsevier GmbH, 2018)Metamaterials are attractive media for scientific society for their potential multi-functional and a wide range of applications due to their unusual electromagnetic properties. In this paper, we present several important ... -
Solar energy harvesting with ultra-broadband metamaterial absorber
Bağmancı, Mehmet; Karaaslan, Muharrem; Ünal, Emin; Akgöl, Oğuzhan; Bakır, Mehmet; Sabah, Cumali (World Scientific Publishing Co. Pte Ltd, 2019)In this study, a novel metamaterial absorber (MA) is designed and numerically demonstrated for solar energy harvesting. The structure is composed of three layers with different thicknesses. The interactions of three layers ...
