Browsing Kontrol ve Otomasyon Teknolojisi by Author "Akgöl, Oğuzhan"
Now showing items 1-12 of 12
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Broad band MA-based on three-type resonator having resistor for microwave energy harvesting
Akgöl, Oğuzhan; Bağmancı, Mehmet; Karaaslan, Muharrem; Ünal, Emin (Taylor and Francis Inc., 2017)We proposed metamaterial absorber having multi-type split coin resonator based on resistive loads. The numerical simulation results and experimental measurements indicate that broad band absorption with a ratio over 80% ... -
Broad band metamaterial absorber based on wheel resonators with lumped elements for microwave energy harvesting
Karaaslan, Muharrem; Bağmancı, Mehmet; Ünal, Emin; Akgöl, Oğuzhan; Altıntaş, Olcay; Sabah, Cumali (Springer, 2018)A new metamaterial absorber structure is designed and characterized both numerically and experimentally for microwave energy harvesting applications. The proposed structure includes four wheel resonators with different ... -
Broad-band polarization-independent metamaterial absorber for solar energy harvesting applications
Bağmancı, Mehmet; Karaaslan, Muharrem; Ünal, Emin; Akgöl, Oğuzhan; Karadağ, Faruk; Sabah, Cumali (Elsevier, 2017)A novel broad-band polarization-independent with wide-angle metamaterial absorber(MA) is investigated and demonstrated for solar energy harvesting applications. The proposed MA is composed of two metal layers which have ... -
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 ... -
Extremely-broad band metamaterial absorber for solar energy harvesting based on star shaped resonator
Bağmancı, Mehmet; Karaaslan, Muharrem; Ünal, Emin; Akgöl, Oğuzhan; Sabah, Cumali (Springer, 2017)A new metamaterial absorber (MA) is investigated and shown numerically for solar energy harvesting for future solar cell applications. The structure consists of two metals and one dielectric layer having different thicknesses. ... -
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 ... -
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 ... -
A Nondestructive Method for Determining Fiber Content and Fiber Ratio in Concretes Using a Metamaterial Sensor Based on a V-Shaped Resonator
Akgöl, Oğuzhan; Ünal, Emin; Bağmancı, Mehmet; Karaaslan, Muharrem; Sevim, Umur Korkut; Öztürk, Murat; Bhadauria, Avanish (Springer, 2019)A micro sensor based on a V-shaped resonator (VSR) is implemented for the purpose of determining fiber content and ratio in construction materials as a nondestructive method. Concrete is investigated as the construction ... -
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 ... -
Strong absorption of solar energy by using wide band metamaterial absorber designed with plus-shaped resonators
Ünal, Emin; Bağmancı, Mehmet; Karaaslan, Muharrem; Akgöl, Oğuzhan; Sabah, Cumali (World Scientific Publishing Company, 2018)A new metamaterial absorber (MA) having distinct properties than those given in the literature is investigated. Although several designs have been studied for achieving absorption characteristics in single-band, dual-band ... -
Wide band fractal-based perfect energy absorber and power harvester
Bağmancı, Mehmet; Karaaslan, Muharrem; Ünal, Emin; Özaktürk, Melikşah; Akgöl, Oğuzhan; Karadağ, Faruk; Bhadauria, Avanish; Bakır, Mehmet (Wiley, 2019)In this article, a novel wide band polarization and incident angle independent metamaterial absorber (MA) and energy harvesting applications which operates at C (4GHz-8 GHz) and X (8GHz-12 GHz) is proposed. The unit-cell ... -
Zinc oxide-tungsten-based pyramids in construction of ultra-broadband metamaterial absorber for solar energy harvesting
Ünal, Emin; Bağmancı, Mehmet; Karaaslan, Muharrem; Akgöl, Oğuzhan; Arat, Hüseyin Turan; Sabah, Cumali (Institution of Engineering and Technology, 2017)A new broadband absorber is investigated for the entire frequency domain of solar light (infrared, visible light and ultraviolet). While current absorbers in the literature have limited operation frequencies, investigated ...