1. Introduction. Tunable antennas offer several intriguing properties for wireless communicationsradiating slots of an antenna. Using this, another factor impacting antenna tunability is suggestedThe tuning range chosen for this investigation is based on actual values that have been achieved... OSA | Nanoscale electro-optic modulators based on … Research on graphene has revealed its remarkable electro-optic properties, which promise to satisfy the needs of future electro-optic modulators.With a suitable gate voltage, the dielectric constant of graphene can be tuned to be very small due to the effect of intraband electronic transition, resulting... Tunable broadband optical field enhancement in graphene-… Tunable broadband optical field enhancements are demonstrated for graphene-based nanoscale slot waveguides, and the extremely strong field intensity inside the slot region is produced based on the ultrahigh effective mode index. Analytic formulas are obtained to reveal the dependence of enhanced... Microwave Strip Antenna Research Papers - Academia.edu
While THz leaky-wave antennas based on homogenized metasurfaces are shown to be able toOpen access peer-reviewed chapter. Terahertz Leaky-Wave Antennas Based on Metasurfaces and TunableThese two types of excitations suggest to realize a quasi-resonant slot (thus modeling a...
Optically Transparent Microwave Polarizer Based On Quasi ... Optically Transparent Microwave Polarizer Based On Quasi-Metallic Graphene. Optically Transparent Microwave Polarizer Based On Quasi-Metallic Graphene. ... A tunable microwave slot antenna based ... 2016-AIPAdvances-0609-Graphene-based Yagi-Uda antenna ... 2016-AIPAdvances-0609-Graphene-based Yagi-Uda antenna-石墨烯 - Graphene-based Yagi-Uda antenna with ... 百度首页 登录 加入VIP 享专业文档下载特权 赠共享文档 ...
Graphene Metamaterials Array Based Reconfigurable Antenna
Martino Aldrigo - Academia.edu A tunable microwave slot antenna based on graphene more by Martino Aldrigo and Alina-Cristina Bunea ABSTRACT The paper presents the experimental and modeling results of a microwave slot antenna in a coplanar configuration based on graphene. Graphene-Based Nano-Antennas May Enable Networks of Tiny Machines The next step will be to actually fabricate a graphene nano-antenna and operate it using a transceiver also based on graphene. “Our project shows that the concept of graphene-based nano-antennas is feasible, especially when taking into account very accurate models of electron transport in graphene,” said Akyildiz. Tunable two dimensional optical beam steering with ...
Design of a Beam Reconfigurable THz Antenna with ...
This technique is based on a delicately designed topology of L- and Ku- band microwave filters. The two band-pass responses are generated by a capacitively-loaded square-loop frequency selective surface and an aperture-coupled frequency … dielectric resonator antenna: Topics by WorldWideScience.org On top of the slot there is an air cavity and on top, a small portion of a hemispherical lens. The fractional bandwidth of such antennas is around 10 percent, which is good enough for heterodyne imaging applications.The new geometry makes …
Mar 09, 2017 · A tunable microwave slot antenna based on graphene. Appl Phys Lett Applied Physics Letters 106 (2015). Google Scholar. 9.
Nano-RF is a European project and the main concept is the ... This work is performed to demonstrate the integration of graphene antenna with TSV CNT to demonstrate the integration of the antenna into a MMIC which is a thorny issue in many cases. The X band slot antenna loaded with a 200x200 µm2 square graphene patch described in D4.4. was further adapted for flip-chip integration using CNT TSVs. Graphene enables an electrically-tunable plasmonic mid ... Graphene enables an electrically-tunable plasmonic mid-infrared antenna array Researchers from Harvard University developed a graphene-based electrically-tunable plasmonic mid-infrared antenna array. They say this device can be useful for multi-analyte sensors, reconfigurable meta-surfaces and optoelectronics devices. Applications of Graphene at Microwave Frequencies
S. A. Naghdehforushha and G. Moradi, High directivity plasmonic graphene-based patch array antennas with tunable THz band communications, Optik 168, 440 (2018) ADS CrossRef Google Scholar 108. R. Bala and A. Marwaha, Characterization of graphene for performance enhancement of patch antenna in THz region, Optik 127 (4), 2089 (2016) ADS CrossRef ...