A frequency reconfigurable microstrip antenna based on graphene in Terahertz Regime

Moradi, Khatereh; Pourziad, Ali; Nikmehr, Saeid

doi:10.1016/j.ijleo.2020.166201

Cited by 33 publications

(6 citation statements)

References 28 publications

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“…Thus, changes in antenna parameters, which depend on the conductivity, can be obtained more easily. Applying a gate voltage anywhere around the graphene ring changes the direction of the radiation, changing the Fermi level of the nearby graphene patch [17]. The antenna's radiation pattern can be investigated by analyzing the near-field distribution.…”

Section: Resultsmentioning

confidence: 99%

“…This feature makes it easy to change the radiation properties, complex surface impedance of graphene, etc. Thus, resonance frequency, amount of absorbed power, surface conductivity, and impedance value can be changed with the help of 𝜇 𝑐 [17]. Graphene material is available in the Computer Simulation Software (CST) Microwave Studio program library for various applications.…”

Section: Antenna Design 211 Graphene Modelmentioning

confidence: 99%

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Designing Graphene-Based Antenna for Terahertz Wave Ablation (TWA) System

Geyikoğlu

Koc

Çavuşoğlu

et al. 2022

Erzincan Üniversitesi Fen Bilimleri Enstitüsü Dergisi

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Cancer is one of the most feared health problems today. Studies on cancer diagnosis and treatment are carried out intensively. In this study, a graphene-based antenna is proposed for cancer diagnosis and treatment with THz radiation therapy, which is a relatively new radiation technique. A graphene-based two-layer monopole antenna is designed for 1.65THz operation frequency. To change the bandwidth and radiation pattern without changing the operating frequency, a graphene ring is placed on the SiO2 substrate (2nd layer).Antenna performance is analyzed for reflection coefficient, realized gain, E-Field. The proposed antenna is obtained approximately %4 bandwidth. A peak gain of 8.52 dB is achieved at 1.65THz within the bandwidth. Antenna design is done in Computer Simulation Technology Studio Suite. It is expected that the results of the THz antenna will make a significant contribution to healthcare applications. The cancer treatment with THz is cheap, easy, and can be used without causing discomfort in patients.

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Section: Resultsmentioning

confidence: 99%

Section: Antenna Design 211 Graphene Modelmentioning

confidence: 99%

Designing Graphene-Based Antenna for Terahertz Wave Ablation (TWA) System

Geyikoğlu

Koc

Çavuşoğlu

et al. 2022

Erzincan Üniversitesi Fen Bilimleri Enstitüsü Dergisi

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show abstract

“…These applications include hybrid 5G satellite-terrestrial architectures, internet of space things (IoST), remote sensing applications as well as deep space interplanetary exploration. To continue meeting the communication requirements for the mission as well as adhering to the CubeSat standards of a small form factor, low weight and low mass, future reconfigurable antennas must work in higher frequency bands such as the mm-Wave, sub-mm-Wave as well as the Terahertz frequencies [135]. Operating at these frequencies introduces more functionalities in the CubeSat such as multibeam, as well as beam steering.…”

Section: A Advancements and Future Trendsmentioning

confidence: 99%

Multiband Reconfigurable Antennas for 5G Wireless and CubeSat Applications: A Review

et al. 2022

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The rapid development of wireless technology has sparked interest in multi-band reconfigurable antennas as devices and satellites are innovating toward miniaturization. With limited space, reliable and efficient high bandwidth antenna systems are needed for current and next-generation wireless technology as well as for the revolutionary small satellites. The fifth generation of mobile communication technology promises high data rates, low latency and good spectrum efficiency. One of the key enablers of this technology is the integration of satellite technology-particularly CubeSats with terrestrial communication technologies. Next-generation antennas that can meet functional requirements for 5G and CubeSat applications are therefore of fundamental importance. These antenna systems should have large bandwidth, high gain and efficiency and be compact in size. Reconfigurable antennas can provide different configurations in terms of the operating frequency, radiation pattern and polarization. Tuning reconfigurable antennas can be done by changing the physical parameters of the antenna elements through electronic switches, optical switches and the use of meta-materials. The most popular implementation method for

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“…This can be expressed as , where is the angular frequency of the radiation, f is the frequency, is the electron scattering rate , propagation relaxation time (default ), T is ambient temperature (T = 300K), and c is the chemical potential. The Kubo equation [5][7] [15] can be used to get the surface conductivity formula: where is the free space permittivity of , d is the height of the dielectric material represent the dielectric material relative permittivity between the graphene sheet and back gate material.…”

Section: Graphene Materials With Deep Learningmentioning

confidence: 99%

Development of RFID Tag Antenna With Graphene Material Using Deep Learning

Rajalakshmi¹,

Jagan²,

Padmapriya³

et al. 2022

J. Phys.: Conf. Ser.

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To avoid unnecessary delays, develop an RFID tag antenna using graphene material-based deep learning in this project. The Deep Learning RFID Tag Antenna, a one-atom thick two-dimensional carbon crystal based on graphene material, is suggested as a high-frequency antenna that could improve radio communications. The experimental results reveal that the deep learning method performs well and accurately in predicting the EM response of graphene-based materials, with an accuracy of over 99 percent and a time savings of at least 99 percent.

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A frequency reconfigurable microstrip antenna based on graphene in Terahertz Regime

Cited by 33 publications

References 28 publications

Designing Graphene-Based Antenna for Terahertz Wave Ablation (TWA) System

Designing Graphene-Based Antenna for Terahertz Wave Ablation (TWA) System

Multiband Reconfigurable Antennas for 5G Wireless and CubeSat Applications: A Review

Development of RFID Tag Antenna With Graphene Material Using Deep Learning

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