Results 161 to 170 of about 6,307 (338)

Thin-film lithium niobate electro-optic terahertz wave detector

open access: yesScientific Reports
The design, fabrication, and validation of a thin-film lithium niobate on insulator (LNOI) electro-optic (EO) time-domain terahertz (THz) wave detector is reported.
Ingrid Wilke   +4 more
doaj   +1 more source

Plasmonic Helicity‐Driven Detector of Terahertz Radiation [PDF]

open access: green, 2018
Ilya V. Gorbenko   +2 more
openalex   +1 more source

Conformal Reconfigurable Intelligent Surfaces: A Cylindrical Geometry Perspective

open access: yesAdvanced Electronic Materials, EarlyView.
Cylindrical reconfigurable intelligent surfaces are explored for low‐complexity beam steering using one‐bit meta‐atoms. A multi‐level modeling approach, including optimization‐based synthesis, demonstrates that even minimal hardware can support directive scattering.
Filippo Pepe   +4 more
wiley   +1 more source

Nonlinear response of a graphene field-effect transistor terahertz detector to femtosecond terahertz pulses. [PDF]

open access: yes
Domantas Vizbaras, NONLINEAR RESPONSE OF A GRAPHENE FIELD-EFFECT TRANSISTOR TERAHERTZ DETECTOR TO FEMTOSECOND TERAHERTZ PULSES Today, terahertz (THz) electronics receive significant attention in the fields of 6G telecommunications, high-frequency ...
Vizbaras, Domantas,
core  

Terahertz-imaging with demodulating detector array [PDF]

open access: yes, 2012
Diese Dissertation beschäftigt sich mit Bildgebung im Terahertz-Frequenz-bereich, der im Spektrum der elektromagnetischen Strahlung zwischen den Radiowellen und dem Licht angesiedelt ist.
Spickermann, Gunnar
core  

Terahertz Channel Modeling, Estimation and Localization in RIS‐Assisted Systems

open access: yesAdvanced Electronic Materials, EarlyView.
Reconfigurable intelligent surfaces have become a recent intensive research focus. Based on practical applications, channel strategies for RIS‐assisted terahertz wireless communication systems are categorized into three different types: channel modeling, channel estimation, and channel localization.
Hongjing Wang   +9 more
wiley   +1 more source

Space And Ground-based New Tools For Thz Solar Flare Observations [PDF]

open access: yes, 2016
Recent sub-THz and 30 THz observations revealed an unexpected new spectral component, with fluxes increasing towards THz frequencies, simultaneously with the well known component peaking at microwaves, bringing challenging constraints for interpretation.

core  

A Terahertz Compressive Imaging Method Based on Single Detector of Randomly Moving Template

open access: hybrid, 2013
Sai Qi Shang   +3 more
openalex   +1 more source

Recent Advances in Programmable Metasurfaces and Meta‐Devices

open access: yesAdvanced Electronic Materials, EarlyView.
Programmable metasurfaces enable various novel functionalities by dynamically tuning electromagnetic wavefronts. This article provides a comprehensive review of recent advances in microwave and terahertz programmable metasurfaces, covering electrical, thermal, optical, and mechanical control mechanisms.
Linda Shao   +4 more
wiley   +1 more source

Ultrastable Self‐Cross‐linkable Electro‐Optic Materials Based on a Bisanthracene Scaffold

open access: yesAdvanced Electronic Materials, EarlyView.
A novel bisanthracene‐based self‐cross‐linkable electro‐optic chromophore (TD2) is developed. TD2 exhibits a high r33 of 141 pm/V and a cross‐linked Tg up to 195 °C, retaining 99.75% of its initial EO response after 500 h at 85 °C, showing record‐high thermal stability for single‐molecule self‐cross‐linking EO materials.
Xingtao Wang   +6 more
wiley   +1 more source

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