A tunable microwave slot antenna based on graphene

Finally, a tunable antenna using tunable BST capacitors at the antenna feed is presented in this chapter.The first mobile communications services (first generation or 1G) were launched in different parts of the world after 1979 [2]. These networks were based on analog systems for voice... Tunable Metamaterial Leaky Wave Antenna based on … The antenna concept is developed based on the theory of leaky wave antennas and metamaterials. Leaky wave antennas provide low profile and high directivity while metamaterials offer design flexibility by means of dispersion engineering. Additionally, liquid crystal is employed as tunable material to...

The paper presents the experimental and modeling results of a microwave slot antenna in a coplanar configuration based on graphene. The antennas are ... A tunable microwave slot antenna based on graphene - AIP Publishing Apr 13, 2015 ... The paper presents the experimental and modeling results of a microwave slot antenna in a coplanar configuration based on graphene. A tunable microwave slot antenna based on graphene - Scitation A tunable microwave slot antenna based on graphene. Mircea Dragoman,1 Dan Neculoiu,1,2 Alina-Cristina Bunea,1,2,a) George Deligeorgis,3. Martino Aldrigo ... (PDF) A tunable microwave slot antenna based on graphene PDF | The paper presents the experimental and modeling results of a microwave slot antenna in a coplanar configuration based on graphene. The antennas are ...

OSA | Conference on Lasers and Electro-Optics/Pacific Rim 2013

Finally, a tunable antenna using tunable BST capacitors at the antenna feed is presented in this chapter.The first mobile communications services (first generation or 1G) were launched in different parts of the world after 1979 [2]. These networks were based on analog systems for voice... Tunable Metamaterial Leaky Wave Antenna based on … The antenna concept is developed based on the theory of leaky wave antennas and metamaterials. Leaky wave antennas provide low profile and high directivity while metamaterials offer design flexibility by means of dispersion engineering. Additionally, liquid crystal is employed as tunable material to... High gain waveguide slot array antenna for 60 A slot array antenna which utilizes air gap waveguide as feeding structure has been proposed in[17]. Pyramidal shape pins are used for parallel plate stop-band which are more suitable for applications with frequency above 60GHz. Due to the wide bandwidth of this structure, MMICs can be integrated to the...

A tunable microwave slot antenna based on graphene. Applied Physics Letters 106, 153101 (2015). Wu B. et al. Microwave absorption and radiation from large-area multilayer CVD graphene. Carbon 77, 814–822 (2014).

Development of Graphene Based Tapered Slot Antennas for Ultra ... antenna with graphene control has been developed in [16] for 1THz applications. The reconfigurable characteristic of the antenna was obtained due to the tunable graphene conductivity. In microwave frequency range, flexible graphene based conductor (GBC) sheet is used to design a UWB antenna Silicon graphene waveguide tunable broadband microwave ... We propose the use of silicon graphene waveguides to implement a tunable broadband microwave photonics phase shifter based on integrated ring cavities. Numerical computation results show the feasibility for broadband operation over 40 GHz bandwidth and full 360° radiofrequency phase-shift with a modest voltage excursion of 0.12 volt. Terahertz Leaky-Wave Antennas Based on Metasurfaces and ... In this Chapter, we focus on three different classes of leaky-wave antennas, based on either metasurfaces or tunable materials, namely graphene and nematic liquid crystals. Nano-RF is a European project and the main concept is the ...

A dual-band tunable rectangular slot antenna was presented in [3]. In this design, theIn [22], a polarization reconfigurable slot antenna is proposed. Here the antenna polarization can beThe antenna concept is based on the combination of the electromagnetic characteristics of a loop and a...

Our evaluation is based on measurements on several sectors in a 2.6 GHz Long Term Evolution (LTE) cellular network... with electrical antenna downtilt in the range from 0 to 10 degrees, as well as predictions based on ray-tracing and 3D … Technical Program | APMC 2018 - Asia-Pacific Microwave 2018 Asia-Pacific Microwave Conference Graphene antennas for THz radiation - PDF Graphene antennas for THz radiation (a) Antenna layout (b) 3D gure of directivity Figure 1: (a) Half wave dipole in graphene. (b) Directivity of half wave dipole antenna MA thesis Author: Bjørn Langbjerg Technical Program Schedule | Imarc 2018 Invited Talk: Compact Microwave and Terahertz Instruments on Cube Sate Platforms,

Detection of electromagnetic waves

Graphene based functional devices: A short review. Rong Wang 1, Xin-Gang Ren 1, 2 (), Ze Yan 3, Li-Jun Jiang 1 (), Wei E. I. Sha 4, Guang-Cun Shan 5, 6 1. Department of Electrical and Electronic Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong, China 2. Design of a Beam Reconfigurable THz Antenna with ... Design of a Beam Reconfigurable THz Antenna with Graphene-Based Switchable High Impedance Surface ... Behdad, and K. Sarabandi, “A varactor-tuned dual-band slot ... Nanorf | dissemination L. Pierantoni, D. Mencarelli, F. Coccetti, “Graphene-based wireless communications systems: analysis of the EM-quantum transport of coupled nano-patch antennas”, Proc. of the 1th IEEE MTT-S Wireless Power Transfer Conference (WPTC-2013), Perugia, May 15-26, 2013. Nanorf | dissemination

Graphene Enables Tunable Microwave Antenna Graphene antennae in the microwave part of the spectrum can be tuned by an applied voltage.Now researchers have demonstrated an antenna made from graphene, operating in the microwave part of the spectrum and tunableGraphene-Based Terahertz Devices: The Wave Of The Future. Innovative microwave and millimetre-wave components slot antenna (ALSTA) structure fed by a substrate parallel plate waveguide as TEM mode transmission line. In Chapter 2, we make use of SICs techniques in the design of PA, mixer and voltage controlled oscillator (VCO). First of all, planar tunable reflective SIW and HMSIW cavity resonators are developed. Design of Tunable Multiband Hybrid Graphene Metal …