Results 41 to 50 of about 6,936 (164)

Broadband terahertz-power extracting by using electron cyclotron maser

open access: yesScientific Reports, 2017
Terahertz applications urgently require high performance and room temperature terahertz sources. The gyrotron based on the principle of electron cyclotron maser is able to generate watt-to-megawatt level terahertz radiation, and becomes an exceptional ...
Shi Pan   +3 more
doaj   +1 more source

Circular ratchet currents in two dimensional tellurene with an asymmetric grating

open access: yesCommunications Physics
Terahertz ratchet effect converts alternating electric fields into direct currents in low-dimensional systems with broken spatial symmetry and provide a route towards room-temperature terahertz optoelectronics.
M. D. Moldavskaya   +4 more
doaj   +1 more source

A Dual-Broadband Liquid-Crystal Programmable Metasurface and Its Application in Terahertz Wireless Communications

open access: yesEngineering
Terahertz communication technology is envisioned as a promising candidate for the pivotal spectrum technology in future wireless communication networks.
Yuan Fu   +10 more
doaj   +1 more source

TERAHERTZ TECHNOLOGIES IN TELECOMMUNICATION SYSTEMS. PART 2. RESEARCH AND SIMULATION OF DVB-C AND PULSED ULTRAWIDEBAND TV SIGNALS TRANSMISSION THROUGH WIRELESS LINK IN TERAHERTZ RANGE

open access: yesРадіоелектронні і комп'ютерні системи, 2018
The laboratory testbed of a digital simplex radio-relay system of the terahertz range has been studied for the first time in practical terms. It consists of the receiver and transmitter parts of 130÷134 GHz frequency range and a digital modem with a ...
Гліб Леонідович Авдєєнко   +2 more
doaj   +1 more source

Design and simulation of a temperature-tunable terahertz metamaterials based on VO2 particles

open access: yesResults in Physics, 2019
A temperature-sensitive metamaterial containing vanadium dioxide (VO2) particles is designed and simulated in the terahertz band. A near-perfect absorption peak is achieved by optimizing structural parameters at room temperature.
Guoping Lei   +4 more
doaj   +1 more source

On the 5G Wireless Communications at the Low Terahertz Band

open access: yesCoRR, 2016
Initiation of fourth generation (4G) mobile telecommunication system rollouts fires the starting pistol for beyond 4G research activities. Whereas technologies enhancing spectral efficiency have traditionally been the solution to data rate and network capacity increase demands, due to the already advanced techniques, returns of the even more ...
Yilmaz, Turker, Akan, Ozgur B
openaire   +2 more sources

Large-area photonic circuits for terahertz detection and beam profiling

open access: yesLight: Science & Applications
Deployment of terahertz communication and spectroscopy systems relies on the availability of low-noise and fast detectors, with plug-and-play capabilities. However, most current technologies are stand-alone, discrete components.
Alessandro Tomasino   +3 more
doaj   +1 more source

Terahertz-ViSAR-based Imaging of Passive Jamming Objects

open access: yesLeida xuebao
Imaging of passive jamming objects has been a hot topic in radar imaging and countermeasures research, which directly affects the detection and recognition capabilities of radar targets.
Lei FAN, Qi YANG, Hongqiang WANG, Jun YI
doaj   +1 more source

Terahertz Spoof Surface Plasmon Polariton Waveguides: A Comprehensive Model with Experimental Verification

open access: yesScientific Reports, 2019
Spoof surface plasmon polariton waveguides are perfect candidates to enable novel, miniaturized terahertz integrated systems, which will expedite the next-generation ultra-wideband communications, high-resolution imaging and spectroscopy applications. In
Muhammed Abdullah Unutmaz, Mehmet Unlu
doaj   +1 more source

Reflection coefficients for common indoor materials in the terahertz band

open access: yesProceedings of the 5th ACM International Conference on Nanoscale Computing and Communication, 2018
We present some preliminary measurement results for the reflection properties of common indoor materials for 300 and 1000 GHz frequencies. These material include various wooden surfaces, concrete, rubber floor surface, and glass. All the presented materials are very smooth and only have a very small amount of diffuse scattering.
Lehtomäki Janne   +2 more
openaire   +2 more sources

Home - About - Disclaimer - Privacy