Makale Koleksiyonu by İSTE Author "Bağmancı, Mehmet"
Now showing items 1-13 of 13
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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 ... -
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 ... -
Octagonal Shaped Metamaterial Absorber Based Energy Harvester
Alkurt, Fatih Özkan; Altıntaş, Olcay; Bakır, Mehmet; Tamer, Ahmet; Karadağ, Faruk; Bağmancı, Mehmet; Karaaslan, Muharrem; Ünal, Emin; Akgöl, Oğuzhan (Kaunas University of Technology, 2018)In this study, a novel octagonal shaped metamaterial based broadband absorber is proposed for energy harvesting at WIMAX wireless communication band. The proposal has an absorption of 99.97 % at 5.5 GHz with a bandwidth ... -
Polarization independent broadband metamaterial absorber for microwave applications
Bağmancı, Mehmet; Akgöl, Oğuzhan; Özaktürk, Melikşah; Karaaslan, Muharrem; Ünal, Emin; Bakır, Mehmet (John Wiley and Sons Inc., 2019)A new polarization independent broadband metamaterial absorber (MA) structure based on split ring resonators which are loaded with lumped elements and via connection lines is proposed. The designed structure shows a perfect ... -
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 ... -
Tunable energy harvesting on UHF bands especially for GSM frequencies
Bakır, Mehmet; Karaaslan, Muharrem; Altıntaş, Olcay; Bağmancı, Mehmet; Akdoğan, Volkan; Temurtaş, Feyzullah (Cambridge University Press, 2018)Metamaterial-based energy harvesting structures operating at GSM goo and GSM 1800 frequency bands have been proposed. The basic structure is composed of four nested U-shaped elements on the front and back side of the ... -
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 ... -
Wideband metamaterial absorber based on CRRs with lumped elements for microwave energy harvesting
Bağmancı, Mehmet; Karaaslan, Muharrem; Altıntaş, Olcay; Karadağ, Faruk; Tetik, Erkan; Bakır, Mehmet (Taylor & Francis, 2018)A novel metamaterial absorber structure is designed and characterized for microwave energy harvesting. The suggested structure is composed of two circular ring resonators with different dimensions. Due to harvesting ... -
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 ...